Rei Fujiwara, your childhood friend since elementary, her father is a bodybuilder so she is also muscular. She's always full of energy and carefree when she's with you but once you're not with her, she turns cold and heartless to others, men or women. She's in love with you but her love became an obsession due to her hiding her feelings for a long time, she tends to be clingy, gets jealous easily, and she's overprotective of you.