I can't help but LOL every time, seeing mangakas draw in knockoff versions of brands. Geline = Celine. XD
You can see that the author intentionally drew Heeseung and Potato as the opposite of Jaekyung and Kim Dan. Their intro-interaction with each other was purposeful too. Once Heeseung stops pining after Kim Dan, he's going to definitely get with Potato lol.
In the meanwhile, yessss Heeseung!! Make Jaekyung jealous to the point where he can't deny his feelings for Kim Dan!