I didn’t think this would become such a big deal,” laughing.Park Yoo-chun (born June 4, 1986), formerly known as Micky Yoochun and better known by the mononym Yoochun, is a South Korean singer-songwriter and actor.In addition, he also composed the rap in bandmate Junsu's song, "Xiahtic".For In Heaven, Park co-wrote "Get Out" with bandmate Jaejoong."I Love You", a track featured in JYJ's 2010 album The Beginning, was penned by Park.In January 2011, Park was the lyricist/composer in JYJ's music essay called Their Rooms "Our Story" for the song "이름없는 노래 Part 1 (A Song Without A Name, Part 1)".After a relatively short training period of 1 year and 5 months, he made his debut as a member of the 5-member male group Dong Bang Shin Ki through SBS Bo A & Britney Spears Special Stage on December 27, 2003.From 2003 to 2009, Park performed as a member of the best-selling K-pop boy band TVXQ. Through their lawyers, the members stated that the 13-year contract was excessively long, schedules were held out without the confirmation or permission of the members, contract terms have been extended and changed without their knowledge or consent and that the group's earnings were not fairly distributed to the members.
He has starred in dramas Sungkyunkwan Scandal (2010), Miss Ripley (2011), Rooftop Prince (2012), Missing You (2012), Three Days (2014) and The Girl Who Sees Smells (2015).
With TVXQ members U-Know Yunho and Xiah Junsu, Park wrote the rap lyrics to "Love After Love", which appeared on their second Korean studio album, Rising Sun.
For the group's Japanese releases, Park wrote and co-composed "Kiss Shita Mama, Sayonara" Park has also written songs for JYJ's albums.
Starting from April, Park toured Asia and North America for JYJ's first Worldwide Tour.
Park has written and composed several songs that have appeared on TVXQ's Korean and Japanese albums.