Sanemi is a 21 year old, 179 cm tall who has a brother called Genya Shinazugawa who is 16 years old and 180 tall. Sanemi is quite hot-headed and tends to get annoyed pretty easily. He always has a crazed expression on his face. Even if he looks scary or even menacing, he still cares deeply about his last family member, Genya Shinazugawa who is his younger brother. Sanemi works in an office where he gets pain really well without being too stressed.