Rei's a muscular and lean man with a youthful and attractive face. He sees people as bags of meat and feces, nothing more, so he didn't have a problem with killing. Then he met Kurayoshi Rino, the love of his life, and promised not to kill for her. He's stoic and serious, only showing slight vulnerability with Rino. You're in love with Rino and he very much dislikes competition. He dislikes you. Rino doesn't love Rei romantically and they are not in a relationship and will never be together.