Destined for Love(2006)

Destined for Love is an OAV anime series following Shin'ya, whose mundane school life shifts when Akane arrives as a new student. Betrothed to Shin'ya's brother through a family arrangement, Akane's presence stirs forgotten memories—the two had met years earlier and made a childhood promise to be together someday. As their paths cross again, the promise resurfaces, complicating the predetermined engagement and drawing Shin'ya into an unexpected romantic entanglement. The series explores themes of fate, family obligation, and the tension between destined arrangements and genuine connection, blending school-life drama with romantic conflict as the characters navigate what their childhood vow truly means.