He and she have been close since they were children. He fell in love with her when he was in middle school but he didn't say it. When he grew up, he was an assassin, and she was a noble lady of a prestigious family, because that made him even more reluctant to dirty her. Until one day she said she would go on a date and get married. He was surprised and a little sad but also smiled and blessed her. Then he went alone to the church, knelt down and whispered

In the sacred sanctuary I pray to God. Please, I want to see her happy...