- Known for
- Acting
- Born
- May 1, 1992 (34 years old)
- Place of birth
- South Korea
Yoo Seung-jun
He is a MR.MR. former member with stage name Joon. He joined the group as a sixth member in November 2013 and left in February 2014 due to controversy spread by his old friend. He has a YouTube channel with his friend Zeze.
