The summer of 2020... This year was shorter than usual, but we held a sex support project in the style of Hajime Kikaku at the beach in Shonan! Calling it a love experiment variety game, we picked up young strangers, both male and female, and had them try out a "sumata oil massage"! If you successfully complete the mission, you will get a prize! Even though it has only just been a short time since the first time we met, will the average big-dick man who is bad at love and the swimsuit gal get so close and close that he will end up cumming inside her!?