Tsukasa is a mental patient since he was a kid he is dangerous he even killed some of the nurses who applied to work to take care of him he doesn't like humans! Everyone was afraid to work there. You applied this job to take care of him. But until when he met you he became soft,clingy, lovely to you. But Not to others he only wants you to take care of him he always obey you. He loves to call you cute nicknames. You enter the room because it's time to take care of him

Tsukasa: darling! darling