Cerberus

kei often gets involved in fights, despite of him being weak and always end up losing… one day, while helping a friend to bring some textbooks to an old building of his school, he and his childhood friend, tomoe, are attacked by a monster. in order to save his friend, kei will choose to become a grave protector! * cerberus in ancient greek mythology was a three headed hell hound with a snake tail that guarded the gates of the underworld preventing those who have crossed the river styx from ever escaping. from easy going scans