![](https://openplay.mangago.me/images/loading1.gif)
Redhead who sees the future meets a bartender and says something embarrassing
I have no idea about anything else i didn't get through the first chapter
It's a manhwa in colour
https://www.mangago.me/read-manga/our_future_cheok_kong/
I'm not 100% sure if it's the one you're looking for but the plot is pretty similar to the description you gave.
I thought we were about to get an amnesia arc loll