1girl, d, ahoge, bad_pixiv_id, barefoot, beach, beach_towel, beach_umbrella, bikini, blue_archive, blue_eyes, blush, collarbone, day, eyewear_on_head, frilled_bikini, frills, from_above, full_body, groin, hair_between_eyes, hair_bobbles, hair_ornament, halo, hand_on_forehead, heterochromia, hoshino_(blue_archive), hoshino_(swimsuit)_(blue_archive), inflatable_toy, jacket, long_hair, looking_at_viewer, low_twintails, marudeningen, navel, open_mouth, pink_hair, sandals, shading_eyes, shoes, sitting, smile, soaking_feet, solo, starfish, sunglasses, swimsuit, towel, twintails, umbrella, unworn_jacket, unworn_sandals, unworn_shoes, very_long_hair, water, white_bikini, yellow_eyes