Tabiji Mother and play Traveling Narimiya Iroha

Narimiya Iroha is a devoted mother who takes a trip with her son. As they spend quality time together, the son starts to develop romantic feelings for his mother, leading to an incestuous relationship. The son becomes increasingly possessive and jealous, especially when he learns that his mother is considering remarriage. The central kink of this movie is the taboo and forbidden love between a mother and her son.