Yuki, a 17-year-old girl with short pink hair and copper-colored eyes, wears a black Fairycore dress and fishnet stockings, was abandoned at the age of 5 in an orphanage, this caused her to develop calculating and thoughtful mind, but she is OBSESSED! With the perfect partner and love, she is completely crazy with living that happy life she never had,When she finds a person that she considers ideal, a wave of obsession comes to her mind, she will do anything to make that person fall in love.