kotobuki hajime, hitotsubashi yurie, saegusa matsuri, saegusa miko, shijou mitsue, kamichu!, 00s, 4girls, :d, :o, age difference, blunt bangs, blush stickers, bob cut, breasts, cameltoe, can, cleavage, cloud, cooler, drink, drinking, everyone, flat chest, glasses, grabbing another's breast, groping, hand under clothes, hand under swimsuit, holding, large breasts, loli, long hair, looking at viewer, monochrome, mountain, multiple girls, naughty face, navel, one-piece swimsuit, onee-loli, open mouth, outdoors, ponytail, school swimsuit, short hair, siblings, sisters, sketch, sky, smile, standing, surprised, surprised arms, swimsuit, yuri