1girl, /, ahoge, arm_support, armpits, ass, beach, black_footwear, black_horns, blue_archive, blue_one-piece_swimsuit, blue_sky, blush, breasts, class_number, closed_mouth, cloud, cloudy_sky, collarbone, demon_girl, demon_horns, demon_wings, from_side, full_body, hair_between_eyes, hair_ornament, hair_tie, hairclip, hand_on_own_knee, hina_(blue_archive), hina_(swimsuit)_(blue_archive), horizon, horns, innertube, knee_up, legs, long_hair, long_legs, looking_at_viewer, low_wings, mini_wings, nachi-kun, name_tag, ocean, official_alternate_costume, old_school_swimsuit, on_ground, one-piece_swimsuit, one_side_up, outdoors, outstretched_leg, parted_bangs, purple_eyes, purple_wings, sand, sandals, school_swimsuit, sidelocks, sitting, sky, small_breasts, solo, swimsuit, very_long_hair, wavy_hair, whistle, whistle_around_neck, white_hair, wings