The Secret of my Brother's FriendThe Secret of My Brother's Friend; 婚約破棄されたのに元婚約者の結婚式に招待されました。断れないので兄の友人に同行してもらいます。; Kon'yaku Haki Sareta noni Moto Kon'yakusha no Kekkonshiki ni Shoutai Saremashita. Kotowarenai node Ani no Yuujin ni Doukou Shite Moraimasu; I Was Invited to the Wedding of My Ex-Fiancé Despite My Engagement Having Been Broken off. I Couldn't Refuse, so My Brother's Friend Accompany Me

When low-ranking noble Lucias fianc suddenly ends their engagement to marry her cousin, shes left with quite the dilemmabeing invited that very wedding! Unable to refuse, and with her brother too busy to attend and offer support, he asks his friend Phill, a soldier currently on leave, to accompany her instead. But as the days unfold, she sees theres more to Phill than meets the eye! A broken engagement is only the beginning to this sugary-sweet Cinderella love story! (Source: Manga UP! Global)