1girl, d, bad_pixiv_id, bikini, blue_archive, collarbone, frilled_bikini, frills, hair_between_eyes, hair_bobbles, hair_ornament, halo, heterochromia, hoshino_(blue_archive), hoshino_(swimsuit)_(blue_archive), long_hair, looking_at_viewer, low_twintails, navel, official_alternate_costume, pink_hair, sidelocks, simple_background, sleeveless, smile, solo, spaghetti_strap, sshyeok, stomach, sunglasses, swimsuit, twintails, white_background, white_bikini