Hachishaku Hachiwa Keraku Meguri: Igyou Kaikitan The Animation.

In the pouring rain, a taxi driver lets a drenched man aboard her cab. The man looks at the tall taxi driver and suggests they tell scary stories to pass the time until the rain lets up. There once was a boy who was fascinated and enraptured by a tall woman named Hachishaku-sama… (These OVA's are based on the erotic manga by Jyoka)