ぼくらの季節 (1983)

This is said to be director Ryuichi Hiroki's masterpiece, and is still a brilliant masterpiece of gay cinema.

A gay couple is on good terms with each other. They run a shot bar together and are enjoying their love. Their father was also once a lover, and they vowed to be together in the future, but they split up due to the barriers of the world. They are determined not to follow in the footsteps of their father. One day, at their restaurant, the two fathers meet again for the first time in decades. At first they are at odds with each other, but then the love they once had for each other comes back to life...