Marina Matsumoto is a perverted mother who is in love with her daughter's best friend, Ayana Maeda 's baby face and big breasts, and targets her as a sexual object. She approaches Ayana from behind while she is taking a shower, and even though she is seriously reluctant, she enjoys her private parts with a passionate lesbian session. Then, while her daughter is sleeping, she fucks her with a strap-on, bringing the defenseless Ayana to orgasm with her beast-like lesbian sex. And finally, right in front of her daughter...