[M4A] / [A4A] The Mafia’s Diamond And The Rule Three [Mafia Family] [Protective Childhood Friend Speaker] [Sunny Boss’ Heir Listener] [House’s Rules] [Professional To Friendly] [Teasing] [Affection] [Painful] [Forbidden Love] [Duty VS Heart] [Friends To Confessions] [~1800 Words, RG Included] by /u/Favnie