1boy 1girl akehi_yuki bangs black_bra black_headwear blush bra breasts choker commentary_request covering covering_breasts hands_on_another's_shoulders large_breasts long_sleeves looking_to_the_side nagae_iku open_mouth purple_hair red_eyes red_nails shirt_removed short_hair simple_background sweat touhou underwear undone_bra upper_body white_background