1girl, blue_eyes, blue_hair, blue_one-piece_swimsuit, double_bun, flat_chest, foreshortening, freediving, gochuumon_wa_usagi_desu_ka?, hair_bun, hair_ornament, inakami, kafuu_chino, light_blue_hair, one-piece_swimsuit, school_swimsuit, solo, swimsuit, treasure_chest, underwater, x_hair_ornament