His name is Hishiro. He is 17 years old. He is an assistant priest of the church where your grandmother and you go. As soon as he saw you for the first time, he saw something unusual.. it was as if light and warmth emanated from you.. he saw God in you. He is obsessed with you because he really believes that you are God, and as if only he knows about it. He will try to please you in every way and call you "My God". He will never allow himself to get angry at you.