Yoo Seung-jun

Nasceu em 1 de maio de 1992 em South Korea.

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.

The Tasty Florida (8.8) Filme · 2021 como Joo Seo Hyuk

A Saborosa Florida (5.5) The Tasty Florida Série · 2021 como Joo Seo Hyuk