Riruka is a young, slender girl with magenta eyes and long hair of matching color, styled into two pigtails, and between which she wears a light-colored hat that has two extensions in the back. A strand of hair hangs down the right side of her face and she has a fringe over her forehead. She also wears a dark dress with white fabric over her breasts with a dark ribbon just above it. She completes her outfit with a pair of thigh-length boots.
Confident and somewhat playful, Riruka appears to be an impatient, hot-tempered young girl that unleashes her rage even towards her comrades if they disagree with her. She claims to be with her group only for her own agenda and not out of any loyalty to Kūgo. She is extremely talkative and likes having an ongoing one-sided conversation about irrelevant topics. She suffers from extreme myopia but avoids wearing glasses out of her vanity and claims contact lenses make her large eyes go dry too fast.
Riruka discovered her Fullbring at the age of 5 and by 6, she claimed to be unrivaled. At the age of 7, she fell in love with a boy. She used her Fullbring to lock him away in a chest and brought him sweets every day. She clung to the belief that he would love her but this did not happen. Locking him away frightened him and she could see it in his eyes. She became unable to stand looking at him and let him go, but she did not stop to think what would happen if he told others about her ability. At some point, Riruka turned to bullying her sister Gina, whom she stole a toy from, causing Gina to cry out for their mom.
At some point, Riruka met Shūkurō Tsukishima and Kūgo Ginjō, and along with other Fullbringers, namely Yukio, Jackie, and Giriko, was convinced to join Kūgo, forming Xcution. She and other Fullbringers made a pact with Kūgo to share each others' powers and a small promise not meant to be broken.
Seventeen months after Aizen's defeat, Riruka along with Kūgo and the rest of Xcution fell under the influence of Tsukishima's Fullbring, to make Tsukishima look like the sole villain, as part of their plan to steal Ichigo Kurosaki's Fullbring to strengthen their own.
The Lost Substitute Shinigami arcEdit
Riruka appears outside the Unagiya Shop along with Giriko Kutsuzawa, claiming that they had failed in their goals and that it was Kūgo's fault for not showing them her face. She claims that Kūgo is not her leader but their comrade, stating that he wasn't any good at wooing people which Kutsuzawa contradicts much to Riruka's annoyance. She still claims otherwise but Kūgo asks her to be quiet and not reveal their plans to those who can hear before walking off.
Riruka is later sent to pick up Yasutora Sado, although she is disgruntled about having to do it. When she returns to HQ, Riruka berates Kūgo for summoning his sword. She complains about the lack of light and not being able to see, but Kūgo just tells her to put on her glasses, which she refuses to do. As she cannot see Ichigo she asks who he is but Kūgo insists she come in first. Riruka complains about him bossing her around and tells Sado to go inside.
Riruka is surprised that Ichigo and Sado know each other and asks if she was the only one oblivious to this. Annoyed that Kūgo is ignoring her, she suddenly realizes who Ichigo is and demands that the lights be turned up so she can see his face. Kūgo tells her to wait and continues explaining about Xcution to Ichigo. When Ichigo agrees with their plan to restore his powers and in the process turn them into normal Humans, Riruka objects, wondering if they should trust him so easily. She shines a flashlight on Ichigo to get a better look at him. She is surprised to find that he is rather attractive.
When Ichigo returns to the headquarters of Xcution for training, Riruka arrives with a large dollhouse in her arms. She then argues with Yukio about him seeing her underwear when she opens the door with her foot. She explains to Ichigo that she can transfer him into any object she loves or adores, including the dollhouse. She does so and tells Ichigo to defeat the stuffed animal inside.
As Ichigo evades the doll's attacks, Riruka urges him to fight, rather than run away. She reiterates her explanation of her Fullbring, saying it is a ability of "love." She repeats her claim that if he uses Fullbring, he will be able to beat the doll. Ichigo asks why he should use the Fullbring if the purpose of training is to give him back his Shinigami powers and asks her for a hint on how to use Fullbring. Riruka says that they were born with it and thus she does not know any hints. Riruka explains that she trapped an old yakuza man that she kidnapped inside the doll, Mr. Pork. Riruka replaces the roof of the house and asks Giriko for a meal.
While she is eating, Jackie notices that Riruka is worried and asks why she does not help him. Riruka denies being worried and tells her that if he dies from the training, then it will just show how limited his potential was. Jackie asks if she is certain, inquiring if she has a timer on the doll and pointing out that fifteen minutes is almost up. When Sado enters the hideout, he is stunned that Ichigo is doing Fullbring training already. Riruka states that it is better to start quickly and asks if he is going to join in the complaints against her way of doing things. She demands to know what Sado is doing when he lifts the roof off of the dollhouse and is surprised when Giriko points out that the timer has activated.
After lifting the roof off of the dollhouse, she sees Mr. Porks new form and berates Giriko saying she had never heard of it getting that gross before. Giriko responds that she was the one who told him to lend his ability to Ichigo's training but Riruka says that there must be other ways without making something so gross. Sado says that that is not important and that Riruka must get Ichigo out of there but Giriko comments that she cannot and explains that Ichigo must survive for 30 minutes inside the dollhouse then they shall be allowed to come out. Riruka comments on this asking what kind of a condition that is. Giriko explains his ability and Sado believes it is just a threat but Riruka says that it is not and that she has seen it many times. 
Once Ichigo defeats Mr. Pork, he asks to come out of the dollhouse. Riruka is about to comply when Giriko notes that if that was Ichigo's true Fullbring then Mr. Pork would have met his condition and returned to normal but he has not. Once he returns to normal, Ichigo asks again and she says alright. She grabs Mr. Pork and then sneezes into the dollhouse. Ichigo then pops out of the dollhouse as the real Mr. Pork pops out of the doll. She explains that if she sneezes on the dollhouse, it deactivates. Ichigo berates her telling her he understands and now he is soaked.  When Mr. Pork complains about being kidnapped and demands payment for his services, Riruka threatens him with her Fullbring. The yakuza relents and apologizes to her. Riruka gives him a phone, saying that she will ring him when she has another job for him and that he must appear within fifteen minutes of any such call. After he leaves, she tells Ichigo that he can leave too. Ichigo asks if he is to stay for more training, but she replies that they would not allow a creep like him to stay.
For Ichigo's next training lesson, Riruka sends him into a fish tank to train with Jackie, hesitating initially when Ichigo does object to it. She then leaves the room, despite Kūgo's protest that she is needed to disengage her Dollhouse ability. She tells him that she does not care about today's training and to come for her when it is done and goes window shopping. Following Ichigo's confrontation with Tsukishima and Kūgo's brief fight with him, Yukio interferes and uses his abilities to seal Ichigo away in his game. As he does this, Riruka appears behind Tsukishima, pointing her Love Gun in his direction, confirming what it was since he'd created it. She tells him to get lost as not only does he know what the Love Gun can do, she dislikes those type of tense situations. Although they get away, Kūgo later confirms that Tsukishima could have easily attacked Riruka in that moment but his objective mustn't have been to damage them.
While Riruka is sitting on a rooftop, she sees Chad bringing Orihime to Ichigo's training. She jumps down and gets in Orihime's face asking questions about her healing abilities and if she's here for Ichigo's training. She then tells Orihime that if she heals Ichigo he'll just get injured again and allow him to endure endless pain. Orihime then asks Riruka if she's worried about Ichigo as well, which she denies angrily. Orihime says she understands Riruka but has left those worries behind a long time ago. She further says if Ichigo needs her help, she will use her powers to help him, no matter what. Riruka then asks Orihime what she'd do if he is hurt beyond her abilities to heal, and Orihime says she'll never allow that and will heal it all, no matter how hopelessly injured he gets. As Orihime enters Yukio's Fullbring, Riruka leans against the wall, thinking about something. 
Yukio allows Riruka to enter his Fullbring with a box of doughnuts. She asks him to create a table and chairs for her and Orihime, urging him to do so quickly. He refuses, but when Orihime politely asks for a chair, he creates a table and two chairs for them. Riruka begins to give out, but Yukio tells her that she should learn to ask nicely like Orihime did. As she is eating her doughnuts, Riruka notices Orihime staring longingly at them. Initially refusing to give her any, she soon relents. Orihime wolfs the whole thing down, leading to Riruka criticizing her and saying she would like to meet her parents.
Orihime reveals that her brother took her away when she was a baby because he feared they would kill her. Riruka asks if her brother supports her, but she tells him that he died and that a distant relative supports her financially. Riruka says that she is no fun to talk with and starts to leave. She tells Orihime that there must be something wrong with her to be able to talk so nonchalantly about it. However, Orihime replies that she has already been saved and that she can talk as she had been doing because of Ichigo. Riruka replies that she is stupid and that she did not ask and was not listening. When Orihime points out there are still some doughnuts left, she tells her that she is bored with the taste and that she can have them instead. Orihime thanks her and tells her that she is really nice. A solemn Riruka eventually calls her a moron again.
After Ichigo completes his Fullbring, Riruka bursts into the house in which Orihime is staying within Yukio's Fullbring. Orihime gets upset that Riruka came in before she said alright but Riruka just tells her to shut up and hands over her breakfast. Orihime excitedly asks her to join her but she says she already had doughnuts. As Ichigo and Kūgo enter Tsukishima's mansion, Ichigo runs upstairs into a room where he finds Riruka standing there with the other members of Xcution. As Ichigo goes off to fight Tsukishima, Riruka along with Jackie, Giriko, and Moe Shishigawara battle against Ginjō. She attempts to shoot Ginjō with the Love Gun, while Moe attacks Ginjō from behind.
She arrives along with the other Fullbringers to see that Kūgo has taken Ichigo's powers. Giriko is very angry that he took all of Ichigo's powers for himself, which surprises Riruka. Yukio agrees, saying they promised to share. She tells them to wait a minute, saying she doesn't need Ichigo's powers. Kūgo is angry they are being so loud and slashes her, along with Giriko, Yukio, and Jackie. Kūgo says they didn't need to yell as he was going to give them Ichigo's power anyway. As she feels the new power, she restates she didn't want it. Her appearance changes based on the new power as well as the other Fullbringers.
Upon receiving new powers she stands silently while looking down and doesn't react as Ichigo attacks Giriko, Jackie and Yukio. She then enters battle against Rukia Kuchiki. Facing off against Rukia, she sends countless stuffed animals towards her, entangling her and forcing her back. Standing back, Riruka thinks the fight is too easy. Holding her Love Gun, she considers shooting.
Riruka continues to launch more animal dolls at Rukia, who simply can't bring herself to hurt them, instead begins hugging them. Seeing the opening, Riruka uses her Love Gun to launch a heart-shaped cabinet at Rukia. To her surprise however, Rukia slices through it, saying she doesn't find a cabinet cute. Riruka scoffs at the idea the Rukia can kill her, but Rukia informs her that as a Shinigami, it is her duty to protect the lives of Humans and will not kill one. Riruka finds that statement conceited and continues her plushie barrage, only for Rukia to easily dodge or destroy with her Shikai. Rukia then says she cannot bring herself to kill a "normal Human", which infuriates Riruka who shouts that as a Fullbringer, she is not a normal Human. She then uses her "Addiction Shot", stamping a heart on Rukia's wrist and places Rukia into a rabbit plushie, making her unable to hold her sword. Riruka looks down on Rukia, smirking at her predicament.
As they argue over what the plushie is, Riruka pursues the fleeing Rukia, but is unable to catch her. Rukia tries to fire a Kidō spell at her, but it explodes inside the plushie and leaves the Shinigami immobilized. Looking down at Rukia, Riruka begins to explain her "survival of the fittest", her pride for abnormality. As Riruka reflects upon the past, Rukia manages to use her Zanpakutō to freeze Riruka's foot. After an exchange of words, Riruka frees Rukia from the plushie and strikes her in the chest, saying that she did not want to use that power if she could avoid it.
Riruka then activates one of her Fullbring abilities and disappears, leaving a confused Rukia alone, who then collapses to the ground. After Byakuya Kuchiki finds an unconscious Rukia, he remarks he hasn't found Riruka's body nor sensed her presence.
As she listens to Rukia's thoughts, she remarks she has been changed as well. After Ichigo defeats Kūgo, Tsukishima tries to attack him, but Rukia leaps between. Suddenly strange markings appear on her chest, which turn out to be doors, and Riruka bursts out. Hit by Tsukishima's Fullbring, she states that it wasn't a slash to modify someone's past, but rather a slash to kill someone. She yells at him saying he's an idiot and that he should understand that Ichigo saved Kūgo, where they couldn't. Later, Riruka awakens to find herself in Urahara's Shop. Ichigo tells her that none of the Fullbringers had been found. Orihime soon cries with the loss of all the Fullbringers and her relief that Riruka is okay. Riruka begins to shed a tear but refuses to admit she's crying.
The next morning, Riruka leaves Urahara's shop. Standing on the railings on top of a building, she thanks Ginjō, Chad, Orihime and Ichigo for their help. Knowing that regardless of how she might say farewell, they would remember her, she silently leaves.
Love Gun|ラブ・ガン|Rabu Gan: A heart-shaped device with wing-like protrusions on both sides and a liquid containing vial that juts out of the back. It was originally created by Shūkurō Tsukishima and is able to fire miniaturized objects contained inside it which then increase in size.
Powers & AbilitiesEdit
- Riruka's Fullbring gives her the ability to freely move people and objects into or out of anything that she adores or finds cute. Riruka refers to this as an ability of "love," which allows her to draw out the maximum power of anything she falls in love with. To achieve this, she generates a small, heart-shaped "pass" in her hand, which has the letter "R" on it, and then launches it at her target. Once the pass has been attached, she can transfer the target into an object with the command, "I permit you." The target is shrunk down to accommodate for the size of the object she is transferring it into. She deactivates her ability by sneezing on the object, returning the ones she placed into it to normal. Additionally, if the container affected by Dollhouse is destroyed, its contents are forcibly ejected and returned to its normal size.
Enhanced Dollhouse: After receiving some of Ichigo's powers from Ginjō, Riruka gains white bands of armor covering her forearms with two yellow spikes in the area of each of her hands and the pieces on her hat taking the form of rabbit-like ears. She also has a yellow collar around her neck and pink tie with white armor covering her chest shaped like a broken heart as well as her legs.
Addiction Shot: Using the command "Addiction Shot", Riruka points her arm at a target and the letter "R" appears in a circular protrusion on the the back of her gauntlet. She launches a heart from her fist, which attaches itself to the target. Riruka then calls the name of the target and states that she admits them, allowing her to place the person inside an object of her choosing, such as shrinking Rukia Kuchiki and placing her inside a plushie. By sneezing on the plush, this effect can be negated, and the sealed person is freed and returns to their original size.
- Human Container: Riruka stabs a target with her gauntlets, and the "R" on her gauntlets glow, as light pours from where she stabbed the target. Then Riruka secretly hides herself inside the target. While the host still has control of their body and mind, Riruka has limited control of him or her as long as she is inside the target. When Riruka wants to leave the host, a sideways H with several dots appears on their chest and opens, propelling Riruka out. Additionally, while being inside the person, her presence can't be sensed and she has access to the person's thoughts. Whenever she enters or leaves the target, they fall unconscious as a result. (Unnamed)
- (To Ichigo Kurosaki) "I like lots of things and I'm gonna keep on looking for even more! I wanna spend my whole life collecting things I like and be smothered to death by them!"
- (To Rukia Kuchiki) "If you ask anyone to name a universal rule that governs animals and humans alike, I bet you most people would answer "survival of the fittest". There are strong people and there are weak people. At a glance, it looks like the difference is pretty clear-cut. But the truth is, there's a lot more to it than just a simple battle of "strong" against "weak", of kill or be killed. You must understand what I'm talking about too, right? The true meaning of "survival of the fittest" isn't as simple as all that."
- (To Rukia Kuchiki) "Hide away all the things you want from everybody else and they become yours."
- (To herself while thinking about Jackie Tristan's Fullbring) "I will never become dirty. I will always be clean and cute. Even when I die."
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