DTKM-046 Mother-Son Swap: I'll Hold My Mother, So Let Me Do Yours, with Narumi Shiiba and Mako Saeki

Two mother-son pairs swap partners. Tatsuo Shiiba, a university student, starts having sex with his mother Narumi, while his cousin Masaru Saeki develops feelings for his own mother Mako. The two families' incest becomes intertwined.