2girls, :d, alternate costume, black dress, black gloves, black thighhighs, cosplay, costume switch, crossover, dress, garter straps, gloves, grey background, habit, hair between eyes, halo, long hair, long sleeves, looking at another, looking at viewer, multiple girls, nun, pelvic curtain, purple eyes, red background, red eyes, school uniform, serafuku, side slit, sidelocks, simple background, smile, thighhighs, trait connection, very long hair, zettai ryouiki