It is a similar topic - the gay relationship of an older and a younger guy, and it also stars Rex Lantano.
Papa, What Is Love? (2022)
Related
Lihim is a brilliantly acted love story, with Kaleb Ong and David Revilla at their very best, romantic, but not kitschy, it is the story of a true-to-life relationship that has ups and downs, and it is an outstanding production with respect to directing, editing, cinematopgraphy, and sound, and it has, like "Papa", a beautiful OST.