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Ririka Momobami is a character from Kakegurui. She's the vice president of the Student Council at Hyakkaou Private Academy and the identical twin sister of Kirari Momobami. Ririka's family is aligned with the family of Yumeko Jabami.

Appearance

Ririka's face is mostly hidden throughout the series by a white, theatrical comedy mask that provides vocal distortion. As Ririka is the identical twin sister of Kirari Momobami, the two of them share all of their facial features as they both have pale skin, long platinum hair (gray hair in the anime) with bangs that are styled in a hime-cut and light blue eyes. Unlike Kirari, Ririka keeps her long hair down and she doesn't wear lipstick or painted nails, unless if she is posing as Kirari.

Ririka wears the standard female Hyakkaou Private Academy issued uniform. A red blazer with black trim lining the cuffs and collar, a white button up dress shirt, a dark pleated skirt, a tie, and black/grey colored stockings and the academy's issued footwear: brown colored loafers with black soles.

Personality

Ririka is a very quiet and stoic person who often acts as an observer. Despite her silence during the Student Council's meetings, she's mostly in step with Kirari Momobami (Ririka's twin sister). However she does seem to be less cold, as she acted very shocked, when Midari Ikishima poked out her own eye.

It's revealed that when she doesn't have her mask on, Ririka is an incredibly shy and somewhat socially awkward person, who visibly has a lack of self-confidence, which makes her a complete opposite of Kirari. However, despite this blatant disparity, she was able to disguise herself as her twin sister and perfectly copy her behavior during the meeting with their family. Acting as another person is also a kind of mask for her.

She seems to be quite perceptive, readily recognizing Rin Obami's trickery during their match. In spite of her amenity, she can be manipulative sometimes, forcing Mary Saotome to gamble against Miyo Inbami and Miri Yobami, placing Yumeko Jabami's life on the line. Ririka is a very skilled gambler, which is implying that she might be the reason why Kirari has so much power within the clan.

Story

Kakegurui - Compulsive Gambler

Ririka as kirari

Ririka pretending to be Kirari.

During the first season, Ririka isn't seen doing anything, but she is usually standing silently besides her sister. She is always present at all meetings of the council, but never comments on anything.

When it was time to meet with the Momobami Family, Ririka dressed up as her sister and left the academy, leaving Kirari behind with her mask. She spoke to the family, stating how incredibly worthless they are and how greedy their behavior is. After her She then leaves and is later seen getting informed by Runa Yomozuki the events, that played out at the academy.

Kakegurui XX

RirikaNomask

Ririka wanting to join forces with Mary Saotome.

During the presidential election, Ririka was looking for Mary Saotome, who she bumps into her and her mask falls off, in which she quickly puts it back on and then proceeds to take Mary with her. Once they're alone, only in the presence of Inaho Yamato, Ririka suggests a gamble. She puts one of her 100 votes in one of her closed hands and Mary has to guess, where the chip is in. If she gets it right, she can keep the votes. If she gets it wrong, she has to join Ririka in the presidential battle. And even if she wins, Ririka would simply follow Mary around. Mary was against it and wanted to leave until she heard about Yumeko Jabami being poisoned. Mary then ripped Ririka's mask off, saying that she can't trust someone, who doesn't even show their face. She then questioned, whether Ririka was ordered or wanted this herself. This left Ririka thinking. When Mary got a phone call that Yumeko was in trouble, she realized that Ririka organized the Nim Type Zero game, so that Mary would be forced to get the votes. Then Mary gripped one of her hands open, the correct one.
StalkRirika

Ririka following Mary around.

Since then Ririka followed Mary around everywhere she went, wanting to fight alongside her. She also got more open towards Mary, taking the mask off for her. It seems like Ririka enjoys being around Mary, however, it isn't the other way around. Mary wants that Ririka starts to act on her own and not just under the orders of her sister. Thus Mary decides they should gamble. If Ririka wins, she is allowed to accompany Mary during the fight. It seems that Ririka won off-screen, since she is still seen following Mary around. Mary still doesn't like her and gets annoyed at her.

RirikaWar

Ririka playing War

She later also gets invited to the auction, but doesn't take part in it to much. When Yumeko challenges Rei Batsubami to bet it all, she takes the scene and decides for a simple coin flip to decide their fate. Shorty after that, she challenged Nozomi Komabami to gamble with her. After Nozomi's crushing defeat, Ririka accepts her as an ally and Nozomi joins them. Ririka then wants to gamble against Rin Obami. Rin set up a fake game, but Ririka saw through his trick and tossed him out of the election.

Kakegurui (Kakkokari)

Ririka kakkokari

Ririka in Kakkokari

In the spinoff parody, Ririka is only depicted as her "Vice president" persona, always wearing her mask. She never speaks, causing misunderstandings with her fellow student council members. She expresses herself by writing, drawing or mimicking what she wants to convey, usually with poor results. Her mask often changes to reflect her emotions, for example blushing or sweating. She often accompanies Kirari Momobami, assisting her in various ways. One time, Mary Saotome finds her spare mask on the ground and she is mistaken for Ririka by the entire Student council just because she's wearing it. In another story, Ririka and Midari Ikishima casually meet Yumemi Yumemite in a cafe where they wanted to buy certain sweets. When Yumemi admits that she is struggling to find inspiration, Ririka starts writing something. However, she only wanted to draw a panda.

Episodes

Kakegurui - Compulsive Gambler

Kakegurui XX

Trivia

  • Her first name, Ririka, is written in katakana(リリカ), which has no special meaning.