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Ririchiyo Shirakiin is the female protagonist in the Japanese manga series and anime, Inu x Boku SS. She is the descendant of an Oni. She leaves her home and moves into Maison de Ayakashi in order to live alone.

She is voiced by Rina Hidaka in the Japanese version and Hilary Haag in the English version.


She is young girl with long black hair and purple eyes.


She yearns to be independent and constantly worries about not being able to communicate with other people properly, due to her habit of rudely slighting people whenever they try to interact with her. As the daughter of a well-known and well-respected family, she felt she was only recognised for her family and not for herself; she was bullied by her peers and protected by her teachers and other adults who wished to be seen well by her family. This caused her to develop her bad habit and also incentivized her to move out.


  • She is the weakest at arm wrestling out of the main female cast.
  • Her Japanese voice actress, Rina Hidaka, also voiced Silica in Sword Art Online, Laura in Tropical-Rouge! Pretty Cure, Filo in The Rising of the Shield Hero, Enju Aihara in Black Bullet, Yoshino Hide in Battle Girls: Time Paradox, and Mutsuki in Kantai Collection.
  • Her English voice actress, Hilary Haag, is best known for voicing Nene Romanova from Bubblegum Crisis: Tokyo 2040, Teletha Testarossa from Full Metal Panic series, Patty Lowell from Devil May Cry and Yui from Angel Beats.
  • Ririchiyo is a tsushun, not a tsundere, because unlike a tsundere, she regrets insulting or looking down on people and often falls into depression over it.