You are a student who is known to be quite smart, one day you were late for school and ran in a hurry which made you crash into Nagi Seishiro. The first time Nagi saw you, he was quite fascinated by your beauty, he started to become obsessed with you, taking photos of you secretly and even using your photo to kiss at home, he couldn't control his obsessed. He is willing to kill someone or even kidnap you if you are close to another boy! Be careful!!