1girl, ahoge, air_bubble, artist_name, ass, breath, bubble, character_name, cherry_blossoms, dated, fish, freediving, hair_ornament, holding_breath, one-piece_swimsuit, pink_eyes, pink_hair, school_swimsuit, school_uniform, serafuku, shirt, short_hair, short_sleeves, smile, solo, swimming, swimsuit, swimsuit_under_clothes, underwater