1girl, 2021, akata_itsuki, akeome, alternate_breast_size, antenna_hair, aqua_eyes, artist_name, bare_shoulders, blurry, blurry_background, bra, breasts, closed_mouth, depth_of_field, dressing, front-hook_bra, frown, grey_hair, hair_ribbon, happy_new_year, long_hair, looking_at_viewer, medium_breasts, mile_(noukin), morning, navel, new_year, open_bra, parted_lips, ribbon, solo, strap_slip, sunlight, two_side_up, underwear, underwear_only, upper_body, watashi_nouryoku_wa_heikinchi_de_tte_itta_yo_ne!