My ex-boyfriend is now part of the family... Ayana Rina - Rina Ayana (Akari Nanami)

The movie revolves around the complex and taboo relationship between Kenichi and his mother. As they spend time together at a hot spring resort, Kenichi's feelings for his mother become increasingly apparent, leading to a dramatic and intense confrontation with his desires. The story explores themes of incest, forbidden love, and the blurred lines between familial relationships.