The Strangers Upstairs (1961)
Original title: 二階の他人
The Strangers Upstairs is a 1961 Japanese-language comedy movie directed by Yoji Yamada, with a running time of 56m. It stars Kazuya Kosaka, Kyoko Aoi and Reiko Hitomi.
After moving in to their dream home, newlyweds decide to rent out their second floor to save money. They soon discover the woe of being landlords.