lan wangji, wei wuxian, modao zushi, 2boys, back-to-back, black hair, black hanfu, branch, chenqing flute, chinese clothes, closed mouth, dizi, flute, flute tassel, hair ribbon, hanfu, headband, holding, holding flute, holding instrument, instrument, long hair, looking at viewer, male focus, multiple boys, music, playing flute, playing instrument, ponytail, red eyes, red ribbon, ribbon, robe, sidelocks, sitting, sleeves past wrists, smile, tassel, topknot, transverse flute, white hanfu, white headband, wwhiledex2d, yaoi, yellow eyes