1girl, ahoge, ass, bare_arms, bare_legs, bare_shoulders, barefoot, black_one-piece_swimsuit, black_wings, blue_archive, blue_sky, breasts, closed_mouth, cloud, day, dutch_angle, feet, from_behind, hair_ornament, hairclip, halo, hand_on_own_chest, hina_(blue_archive), hina_(swimsuit)_(blue_archive), holding, horns, innertube, legs, looking_at_viewer, looking_back, low_wings, mountainous_horizon, multiple_horns, ocean, one-piece_swimsuit, outdoors, parted_bangs, pjkka, purple_eyes, school_swimsuit, shoulder_blades, sidelocks, sitting, sky, small_breasts, soles, solo, swimsuit, thighs, toes, wariza, water, wavy_hair, wet, white_hair, wings