2girls, afterimage, aldehyde, arms_up, blush, breasts, camisole, chair, collarbone, comic, couch, greyscale, hair_between_eyes, indoors, long_hair, lying, medium_breasts, monochrome, multiple_girls, on_back, on_couch, open_mouth, original, ringed_eyes, shirt, short_sleeves, table, wooden_floor