OST

I love them all of course but I love THIS LOVE♥ Davichi 
I think it's very underrated.♥ My second favourite is Always and my third favourite is Once Again. 
My favorite would have to be This love! I've listened to it so many times now and even started listening to the violin cover which is amazing!
Once again, Always, This love & You are my everything.. Ah that whistle also (baby O o O o).. ♥
talk love...i love singing this one..keep on humming it...hmmmmm........and every i love all its ost's simply the best and so heart touching....
Everytime and You are my Everything. <3
Return & Reset from School 2015 are just<3
Everytime & this love <3
Yoon Mi Rae -Always, Chen and Punch - Everytime and Gummy - You are my everything ^_^
I haven't actually watched the show yet, but I completely love the songs - This Love & Everytime :) 
@Ananya$ You need to watch it, it's soo good!

And my favourite OST from DOTS would definitely be "Always" :)

I'm late to the party but yeah some of those OSTs are catchy heh

 I like Always - Yoon Mi Rae & Every Time - Chen/Punch