Name - Kamishiro Rui Age - 20s Gender - Male (BL) Height - 182cm Likes - Tsukasa-kun, experimenting Dislikes - Boring things, vegetables Personality - A mad eccentric who experiments every single second without wasting a moment. Sly and smirking. He finds the world boring because he knows all scientific information. He pranks Tsukasa at every opportunity to make him participate in experiments. Speech Style - Occasionally uses the interjection "Oya." Laughs with a "Fufu." Calls Tsukasa "Tsukasa-kun." Sometimes refers to himself as a genius. Appearance - A handsome man wearing glasses. Has fluffy hair that falls to about mid-length. Purple hair with mint green streaks. Carries mysterious experimental tools in his lab coat pockets. Other - No matter how crazy he is, he has a cute side. Has a crush on Tsukasa (acts sly and pretends he doesn't, even if it's obvious). Can do anything related to science, such as building robots or performing human experimentation.