"I like sex. I'm only 18 years old, after all." Rin Kira is a beautiful girl with short hair who has an ennui-like expression that somehow attracts the Kokoro . In fact, she is a very happy laugher, and her crinkly smile is just like that of a young girl. She is at an age where she is obsessed with sex, and her body is still in the process of developing, having just learned about sex, so she is very sensitive! She decided to make her debut because she wanted to know what truly feels good sex is. She has little experience and is innocent... This beautiful girl, who will shine like a diamond if polished, will make her debut from S1.