When tatsunagi hikari got involved in a battle between his childhood friend and some people who are trying to kill her cause she is a walking bounty or so they call her,,.. he got dragged into a world where magic and supernatural phenomenon are normal.. seeing the world in a new light he ventured into a world which he knows nothing about knowing nothing about his past and about what would happen in the nearest future if he continues using is new found power which he knows nothing about.. and enemies from the past and friends from the past continues to show up leading to unforeseen circumstances..