How Long Will I Love U combines elements of time travel with a romantic storyline, presenting a clever and genuinely moving narrative supported by impressive visuals, fluid scene changes, and careful consideration given to various aspects of its presentation. While there are slight shortcomings in how some characters’ stories conclude, the film's acting quality and central idea create an affecting story that has garnered positive attention from critics. The movie suggests that our actions shape what is yet to come, but genuine achievement comes through being truthful and modest.

Source on TMDB