1girl, d, ahoge, bare_arms, bare_shoulders, beach, bikini, blue_archive, blue_eyes, blush, fang, frilled_bikini, frills, hair_between_eyes, hair_bobbles, hair_ornament, halo, heterochromia, holding, hoshino_(blue_archive), hoshino_(swimsuit)_(blue_archive), inflatable_toy, inflatable_whale, knees_up, kurot, long_hair, looking_at_viewer, low_twintails, lying, on_back, open_mouth, outdoors, outstretched_arms, partially_submerged, pink_hair, sand, shallow_water, smile, solo, starfish, swimsuit, transparent, twintails, upside-down, very_long_hair, water, white_bikini, yellow_eyes