Series by まの瀬

Nozomi lost his parents when he was young and was raised into life as an assassin. After betraying the group that brought him up, he tries to live as a serious high school student. He has no friends and knows little warmth from other people. When he helps a fashionable classmate named Shingu, they begin to grow closer. His suspicion that she may be another assassin turns ordinary school contact into a threat.