JUNY-143 - Mother Tsukada Shiori, with a plump physique and wearing a tight-fitting dress, unconsciously seduces her daughter's naive boyfriend, repeatedly stimulating him while saying "Let's practice on my body".

Shiori, a single mother who possesses an exceptionally plump physique that excites men to the point of madness, yet is completely unaware of it and wishes for her daughter's happiness. She is indifferent to her clothing, always wearing comfortable attire, but when told "Bring your boyfriend next time and dress nicely," she buys a tight-fitting dress on sale nearby. When her daughter goes out, her boyfriend comes to the house. The boyfriend becomes uneasy at Shiori's overly provocative appearance and involuntarily becomes aroused...