Thin, flat-chested future woman, Hayami Reimu, HONB-139

He goes on a pool date with the incredibly flat-chested, slender beauty, "Sami Reimu." Despite her small breasts, she shyly changes into her swimsuit and they begin making love. After moving to a hotel, her lithe body is played with until she submits, including selfies, oral sex, and a threesome, of course without contraception.