2girls, ahoge, bed, blush, closed eyes, closed mouth, collared shirt, comic, cuddling, feet out of frame, genderswap, genderswap mtf, greyscale, hands up, hood, hood down, hoodie, long hair, long sleeves, lying, monochrome, multiple girls, on side, pajamas, pants, pillow, shirt, siblings, sisters, smile, sweat, under covers, very long hair, wavy mouth, x-ray