Bank worker Ayumi (Kirishima Ayako) wants to leave Tokyo and live in a rural area. Ashiirekon is a trial of married life to see if the bride can endure the harsh farm work. You are not allowed to have sex with the betrothed until after the trial period is over and you give them a formal congratulatory message. ] However, Ayumi ends up being cuckolded by a man because of the village tradition of getting married.

This film follows a protagonist who discovers a homemade sex video of his neighbor's mother on his computer and shares it with the excited neighbor's daughter, leading to an intense encounter. The daughter, aroused by the footage, is caught in a compromising position, which is then used to coerce the mother into submission—resulting in side-by-side "oyakodon" (mother-daughter) threesomes. This fourth installment in the series features multiple busty mother-daughter duos, emphasizing humiliation, power imbalances, and explicit group scenes. The gonzo/POV style immerses viewers in the protagonist's manipulative perspective, with high-energy performances from the all-female cast highlighting their voluptuous figures and school uniform fetish elements.