miyama-zero, shirogane akane, togetsu kotarou, kanojo tachi no ryuugi, game cg, 1boy, 1girl, biting, blonde hair, blood, blood on face, blood sucking, blue eyes, bra, brown hair, dark, flat chest, girl on top, glowing, glowing eyes, hetero, holding another's wrist, holding hands, lingerie, long hair, lying, neck biting, night, on back, on stomach, open mouth, red eyes, ribbon, short hair, short twintails, surprised, twintails, underwear, vampire, window