1girl, all_fours, ass, azumanga_daioh, bad_anatomy, bad_pixiv_id, blush, breasts, breath, brown_eyes, brown_hair, glasses, hall_onon, hands_on_bed, long_hair, looking_at_viewer, medium_breasts, mizuhara_koyomi, nervous, on_bed, open_mouth, school_swimsuit, shiny_skin, shirt, solo, swimsuit