Rule 34 Dev - 2girls arm_up art_tools_in_frame breasts clothes_lift commentary_request gasuri_govan graphite_(medium) greyscale hibike!_euphonium kousaka_reina long_hair lying medium_breasts monochrome multiple_girls nipples open_mouth oumae_kumiko shirt_lift short_hair sidelocks sweat traditional_media yuri|23243225616