Lee Hyun Woo - Splendor of Youth (Secretly Greatly OST)
Don't watch the MV if you don't want spoiler from the movie!
Meanwhile, Secretly Greatly has hit 6 million viewers on Sunday.
For anyone that is new to this (awesome) movie, check http://www.vingle.net/collections/185370 ^^
@chasinghapiness I totally spot the bromance that you talked about!