Misa had a close friend named Mana. On her day off, Misa suddenly received an email from Mana saying 'Come to school!' Despite finding it suspicious, Misa went to the school and found Mana being harassed by two men. 'Don't lay a hand on Mana!' Misa pleaded with the men, who said they would let Mana go if Misa took her place. Misa decided to take her place. From that day on, Misa's hell began...
