Mother-in-law, you're so much better than my wife... Chigusa Mizuki - Mitsuki Chigusa

The movie explores a complex family dynamic where the son, Ryu, appears to be dissatisfied with his marital relationship and seeks comfort in his mother-in-law. The story delves into themes of intimacy, loneliness, and unfulfilled desires within familial relationships, blurring the lines between traditional roles and expectations.