theresa apocalypse, benghuai xueyuan, honkai (series), highres, official art, 1girl, :d, animal ears, black dress, black thighhighs, blue eyes, copyright name, dress, fake animal ears, full body, guitar, holding, holding guitar, holding instrument, holding plectrum, hood, hood up, instrument, long hair, long sleeves, looking at viewer, music, nun, open mouth, playing guitar, playing instrument, plectrum, rabbit ears, simple background, single thighhigh, smile, solo, thighhighs, toes, white background, white hair