Be Sure to Share (2009)

Shiro's struggle with his father's cancer and impending death leads to a realization that he must communicate his love and admiration for him before it's too late. A series of flashbacks reveals their relationship over time, and the trouble Shiro faced connecting to his strict father who was also his teacher and soccer coach. With a consuming secret of his own, Shiro, now in his late twenties and about to get engaged, must eventually learn how to share the pain of it with his loved ones.

Unfortunately the movie Be Sure to Share is not yet available on HBO Max.