Age: 26

Organization: Hypnos

Riley Ootori (鳳 麗花 Ōtori Reika, lit. "Reika Ootori") is an employee of Hypnos. She is also the love interest of her manager, Mitsuo Yamaki, who she assists throughout the series, and to whom she also serves as an emotional counterweight to his obsessive, persistent demeanor.