Kuchibeta Shokudou

For five years, she's been eating at the same restaurant, but she doesn't feel comfortable saying anything to the restaurant owner, who wants to talk to that regular customer but doesn't know what to say. Their feelings are obvious, but they just can't find a way to express their love for each other yet.

(Source: ComicWalker, translated)

Note: Originally self-published on Twitter, it was picked up for commercial publication on December 10, 2021.