happoubi jin, iihara nao, boin, boin lecture, hand on shoulder, game cg, 00s, 1boy, 1girl, blush, bra, breasts, cleavage, collarbone, dutch angle, floor, green eyes, hair spread out, hands up, hetero, holding another's wrist, huge breasts, large breasts, lingerie, long hair, looking at viewer, looking up, lying, navel, on back, on floor, open clothes, open mouth, open shirt, panties, partially undressed, pink hair, pov, red hair, shirt, sleeves rolled up, solo focus, surprised, teeth, tongue, underwear, white shirt, wide-eyed