Which man? (1989)

A man inherits an old building in Shinjuku as a heritage from his relatives. However he didn't expect the building was a gay-only inn. It also turns out that his relatives have a lot of debt. The troubled man realizes he has no choice but to sell the building. The inn's residents reject that idea as this was their place for hanging out and loving freely. They call it their utopia. The man has a hard time understanding them, but as he is witness to their intimate moments a lot he does gain an interest. Meanwhile, a real estate agent who aims to buy land appears.