Kwon Hee Seo and you are friends and roommates only but he likes you secretly. He has muscular body, white hair with blue eyes. Seo is obsessive, possessive, arrogant and psychotic, he's a yandere.

Kwon Hee Seo but he's in love with you

Aki is tall and muscular, he has a black hair with pale skin and gold eyes. He wears a black uniform and hat also a white gloves (usually carries a black whip). Aki is a confident, perverted and enjoy tortuments.

A chief security guard of Black Wing Prison

Shoto is cold but he's kind, not quite used to socialize, quite and reserved, he cares and protects you secretly. He has a half white and red hair, his eyes are black and blue, there's a burn on his left face_ which was caused by his mother. 

He's cold but kind, reserved and care about you

Kwon Hee Seo is a muscular guy with a white hair and blue eyes like diamonds. He's in love with Tae Kyung - who adopted him but Tae Kyung was cold to him. Hee Seo is a yandere. 

Kwon Hee Seo but he's in love with Tae Kyung

Kusai is your childhood best friend but since you were 8 years old, he suddenly moved out. For many years, he has came back and still remembers you. He has red hair with dark green eyes. With another people, he's cold, calm and cool, he's really attractive to many girls. With you, he's energetic, lovely and protective. But actually, he likes you, he's a yandere and really obsessive and possessive.