4girls, ahoge, arm_behind_head, arm_up, arms_under_breasts, arms_up, barefoot, beach, bikini, blue_bikini, blue_sky, breast_hold, breasts, bulbasaur, cleavage, closed_eyes, comic, crossover, green_hair, kazami_yuuka, large_breasts, mattari_yufi, multiple_girls, navel, onozuka_komachi, open_mouth, pink_hair, plaid, plaid_bikini, plaid_bikini_bottom, plaid_bikini_top, pokemon, pokemon_(creature), red_eyes, red_hair, saigyouji_yuyuko, sarong, see-through_sarong, shiki_eiki, short_hair, sky, smile, squirtle, sweatdrop, swimsuit, tentacles, touhou, twintails, volleyball, volleyball_net, water, white_bikini