[SEEALSO]http://www.allkpop.com/article/2015/02/2pms-wooyoung-reveals-short-mv-for-solo-japanese-debut-track-rose[/SEEALSO]

"Happy Birthday" is one of three tracks, including the title song "R.O.S.E", on the single album, which saw a successful response�on Japan's�Tower Records'�pre-order chart. In the above MV, Wooyoung sits down at the piano and serenades a special someone.

Wooyoung will be making his official solo debut in Japan with the release of "R.O.S.E" on March 4. Check out the short MV for "Happy Birthday" above!