An Kohinata  

, 小日向 杏

The bride is onodera's childhood friend, and they have been friends since their early years. however, onodera does not take the engagement seriously because it was not decided by them but rather imposed on him by both families. despite this, she harbors strong feelings for him and confessed her love to him, only for him to reject her advances, stating that he loved someone else and considered her as a sister.