1girl, solo, fujiwara chika, kaguya-sama wa kokurasetai, pregnant, large pregnant belly, blonde hair, long hair, blue eyes, hair ribbon, white sweater, knit sweater, deep cleavage, cleavage, long sleeves, thighhighs, striped thighhighs, sneakers, collar, leash, holding leash, kneeling, arm outstretched, submissive, heart-shaped pupils, smile, genkan, house, indoors, warm lighting