This Korean dating show is pretty unpopular, but that's why it feels like a hidden gem.
The premise of friendships between opposite sexes is quite promising. The production used efficient methods to create some thrill between these friendly couples. They've created a refreshing cast with relatable choices and likeable personalities.

As for their music, I would give them a 10/10. They've used literally every cool romantic kdrama OST of the last 4 years
(I've listened to most of the soundtracks beforehand)
Songs I'm certain of listening while watching:
Lee Hi - We'll Shine Brighter Than Any Other Stars // Soundtrack#1
J.UNA - Butterfly // Nevertheless
Jo Yuri - STORY OF US // Monthly magazine home
Rothy - Cloud // The beauty inside
What I really like about this fact is that it created this (Rome) drama-like atmosphere.

It was a really enjoyable dating show, especially after watching several of them and looking for another like me.
So rewatching anything again or keep looking for other shows ;)
Just enjoy this show, don't sleep on Edge of Friendzone ^^