Ancestors are believed to exist among the living during summer - particularly in the week of 'お盆' (Obon).
My friend retells the story of the frightening experience he had with a deceased family member in his grandfather's home.
My friend's grandfather lives in a squat, urban home an hour west of Nagoya city in Aichi prefecture.
Squashed amongst factories and rusting sheds, the two-storey home was built mid-century with outdated tell-tale designs of rusted tin exterior, carpet-patched tatami flooring, and a single plastic-tub basin in the kitchen.
Hiding from Japanese Ghosts
Ghost stories are the least frightening thing about Japan when facing culture clashes, mystery food, language barriers, and - scariest of all - marriage.