Former race queen Momo no Marina, who had an explosive breakthrough about 10 years ago, is now 37 years old and has returned to the limelight as a married woman. Her unrivaled J-cup breasts and beautiful legs are still as strong as ever. Her overflowing adult sex appeal has only gotten stronger. She has become an even more beautiful woman, and right now she may be at her peak. But even so, she has been troubled by a lack of sex. Now in her sixth year of marriage, and having remained faithful to her husband, she is experiencing extramarital sex for the first time. Her beautiful face... her beautiful body... she distorts lasciviously as she indulges in pleasure, almost like a beast that has lost its reason...