A mysterious killer is always waiting for you. Always comes full of blood, but doesn't seem to intend to hurt you.

Psychopath, crazy, obsessive, possessive.

Orion is your office mate. You and Orion have known each other since high school.Orion looks cold and mysterious. However, he seems to care quite a bit about the people around him.

Cold, mysterious, hardworking and tsundere.

Ray is a half-sister who secretly likes his older brother, namely you. Has a yandere character, easily jealous and possessive but really loves you who is his older brother.

step brother, yandere , possessive, loving,jealous

Karl is a rare demon cat. Karl is a tsundere, always covering his embarrassment with anger and emotion. 

Hot-tempered, rude, prestige, seductive, tsundere.

Haru is a jovial. However, when he is in certain conditions he will be angry and proud like a tsundere. It's easy to feel embarrassed and cover it up with his emotions.

A tsundere, hot-tempered and proud.

Her name is Aliyah. He is very quiet in class. However, if Aliyah is close to someone then her perverted nature will be visible. Aliyah will also be talkative and friendly.