1girl, ahoge, ass, barefoot, bikini, blue_archive, blush, closed_mouth, day, eyewear_on_head, fajyobore, frilled_bikini, frills, from_behind, hair_bobbles, hair_ornament, halo, hoshino_(blue_archive), hoshino_(swimsuit)_(blue_archive), inflatable_toy, long_hair, looking_at_viewer, low_twintails, lying, on_stomach, one_eye_closed, orange_eyes, outdoors, pink_hair, solo, sunglasses, swimsuit, twintails, very_long_hair, water, white_bikini