2girls, ahoge, bed_sheet, blonde_hair, blush, bocchi_the_rock!, breasts, camisole, closed_eyes, collarbone, detached_ahoge, dolphin_shorts, hair_down, hand_on_another's_thigh, hug, ijichi_nijika, ijichi_seika, long_hair, lying, medium_breasts, muchiyaki, multiple_girls, open_mouth, pajamas, partially_unbuttoned, pink_pajamas, shirt, shorts, siblings, sisters, sleeping, sleepwear, white_camisole