Yoo Seung Woo's mushroom hair is becoming an issue.

Recently in various online community forums, a picture was posted under 'Yoo Seung Woo mushroom hair'. The picture was of Yoo Seung Woo's hairstyle that he's had since "Super Star K4" days.

Internet users who saw this commented, "So cute," "Yoo Seung Ho's cute charm that no one can follow," etc.

Yoo Seung Woo released a teaser video for his new song "You and Me" yesterday. He will be releasing the full version song and music video of "You and Me" on May 2.

Photo Credit: Online Community