2girls, bed, bed sheet, bikini, bikini under clothes, black bikini, black hair, black shirt, blonde hair, closed eyes, futaba (rei-futaba), groin, hand on another's back, indoors, inoue takina, long hair, lycoris recoil, lying, midriff, multiple girls, navel, nishikigi chisato, on back, on bed, on stomach, open fly, open mouth, picture (object), picture frame, pillow, saliva, shirt, shorts, side-tie peek, sleeping, swimsuit, t-shirt, unbuttoned, unbuttoned shorts, unzipped, white shorts, window, yuri, zipper, zipper pull tab