1girl, beach, blonde_hair, blue_sky, breasts, cloud, covered_navel, diadem, endou_lily, highleg, highleg_swimsuit, long_hair, looking_at_viewer, mana_(manasenshou), navel, one-piece_swimsuit, open_mouth, outdoors, red_eyes, school_swimsuit, school_uniform, sedai_one, sitting, sky, small_breasts, sun, sunlight, swimsuit, twintails, virtual_youtuber, water