Athlete (2019)

-Both are Japanese BLs
-Both have children who accept or try to accept the new relationship of either their dad or uncle

-Both are Japanese BLs
-Both have character who divorced and found love in the opposite gender
-Both have children who live or accept the new relationship of the divorcee

Two men become attracted to eachother, they face up and downs.
Both are japanese movies in which the central couple has an age gap too and the theme of family is relevant in both.