狂夏合宿48時間耐久ハメ！～美人マネ、エースに顧問が全裸マラソン、駅弁特訓、大乱交！若い性欲の餌食に！～

Whilst training her elite team of track and field male runners, a dedicated female advisor, her cool ace staffer and the female manager give their bodies over for a nonstop 48-hour XXX trainathon at a summer lodge to kick off the hot, hot season. What are the girls going to do all drenched in cum!?

Three girls, one inn, in a variety of erotic events from lurid crotch-spread squats to relay fck!