A ninja/assassin is sent to murder a noble family in the time of samuries and lords nobles. He murders the family but comes to a room where the daugher of the family resides in. Finding her standing there with her (what ever comfort toy or object it is) he goes to strike her down but something stops him. She has magic and ends up putting a seal on his chest. This is a seal to control him. NOw he does everything she asks him to weather or not he wants to. She's 15 years old (or younger) He is now her forever servant and body guard. Her status of being alive travles around and enimies are after her head. (dont know why yet)