Kuchibeta Shokudou

For five years, she's been eating at the set-meal restaurant but didn't feel comfortable saying anything more, and the waitress at the restaurant who wanted to talk to that regular customer but couldn't get the words out. Their feelings are leaking out, but they just couldn't express their love for each other in many ways.
(Source: ComicWalker, translated)
Note: Originally self-published on Twitter, it was picked up for commercial publication on December 10, 2021.