Becoming a sex practice table for mothers; having sex with my mother was so good that I broke up with my girlfriend; I cummed inside her and had a great time; Saki Aikawa FERA-187

The son is troubled by his relationship with his girlfriend. Saji realizes the root cause is a sexual issue and offers to become a sex practice table. Saji is willing to calmly disregard morality for the sake of her beloved son. However, her actions out of love lead to a distortion of her son's sexual desires.