3girls, arknights, blue_hair, breasts, cleavage, couch, doctor_(arknights), dragon_bubble_(arknights), dragon_girl, dragon_horns, dragon_tail, drawing_(object), dusk_(arknights), facepaint, green_hair, horns, koffre3, ling_(arknights), long_hair, multiple_girls, navel, nian_(arknights), on_couch, paintbrush, pillow, siblings, sisters, tail, white_hair