娘も成人を迎え、ごく平凡な生活に疲れ始めた優香は、再び女としての自分をとり戻したいと密かに想いを募らせていた。そんなある日、娘の彼氏・祐介から相談を受けて…。成り行きで彼の早漏克服の手伝いをするうちに、優香は胸の内に秘めた性欲が激しく揺さぶられていくのだった。徐々にエスカレートする2人は手コキに留まらず、フェラ、乳首責め、全身リップなど様々なプレイで早漏克服のトレーニングを行い続けて…。
Her daughter has reached adulthood, and Yuka, who has begun to get tired of her ordinary life, secretly wishes to regain herself as a woman again. One day, I received a consultation from her daughter’s boyfriend, Yusuke. While helping him overcome premature ejaculation in her course, Yuka was violently shaken by her hidden libido in her chest. The two who gradually escalate continue to train for overcoming premature ejaculation with various plays such as blowjobs, nipple torture, and whole body lipping, not just handjobs.