Conversation so far:
how long will i love u movie synopsis
How Long Will I Love U is about a young woman from 2018 and a young man from 1999 who become roommates after a spacetime merge inside their apartment.
who stars in the movie How Long Will I Love U?
Lei Jiayin and Tong Liya

Question: have the two stars worked together previously?
Self-contained rewrite: have Lei Jiayin and Tong Liya worked together previously, prior to movie How Long Will I Love U?