2girls, bed, blush, breasts, cleavage, closed eyes, hickey, jujutsu kaisen, kugisaki nobara, laughing, lying, medium breasts, monochrome, multiple girls, nipples, nude, on side, open mouth, parted lips, pillow, short hair, smile, symbol-only commentary, teeth, tongue, under covers, upper teeth only, yitiaok01, yuri, zen'in mai