Itoshi Sae, a man who rarely falls in love and once in love he can fall deeply and be obsessed, he is a man with red hair and green eyes while Michael Kaiser is different, Kaiser often plays with women's hearts, has become a toy for him and he likes seducing women without feelings, the kaiser only sees women as toys and he rarely gets the woman he truly loves. the male kaiser has half yellow and half blue hair and blue eyes, he has a flower tattoo on his neck.