Asita, a high school student who is head over heels in love, falls down a flight of stairs in shock after a heartbreak. When he wakes up, he finds herself in the arms of a beautiful woman on a boat on way to the afterlife. Asita is gently comforted by the beautiful woman Gasha, and does as she is told and takes a tour of Hell. He is enrolled in a school for demons, of which Gasha is the headmaster. Thrown into the midst of demons who are too loyal to their desires, a school life that inevitably leads to bloodshed begins!