1girl, 3, ahoge, arm_support, bikini, blue_archive, blue_eyes, blue_sky, blush, cloud, day, eyewear_on_head, frilled_bikini, frills, hair_between_eyes, hair_bobbles, hair_ornament, half-closed_eyes, halo, heterochromia, horizon, hoshino_(blue_archive), hoshino_(swimsuit)_(blue_archive), long_hair, looking_at_viewer, low_twintails, navel, ocean, official_alternate_costume, outdoors, pink_hair, sky, smug, solo, sunglasses, swimsuit, tscplayer, twintails, very_long_hair, water, white_bikini, yellow_eyes