takamichi, homura yuuka, kaida masashi, hate shinaku aoi kono sora no shita de...., game cg, non-web source, 1boy, 1girl, bikini, bikini pull, bikini top lift, black hair, blush, breasts, closed eyes, clothes lift, clothes pull, fingering, fingering from behind, grabbing another's breast, groping, hand under clothes, hand under swimsuit, hetero, open mouth, outdoors, rock, short hair, small breasts, swimsuit, underboob