When Katsuki parents die without any clue or trace, leaving Katsuki to fend for himself and his adoptive brother Monoma, but life took a turn when Katsuki helped Izuku. Love, sorrow, misunderstand and truth is what Katsuki has to face. How will he react when he finds out his brother fell in love with Izuku's brother, Shinso and how will he react when he finds out the real reason for his parents' death? No quirk au Mafia au angst no mpreg foul language Smut