Ha Sung Woon posed for TenStar.

During the interview, he talked about starting music, saying, "I first was introduced to music when I was singing by myself at home when I was young. I sang when home by myself and I liked it. I had that eerie feeling."

He also chose 'Produce 101 Season 2' as the most difficult time of his life but said, "I'm still surprised at myself ant how I managed that back then. But I have no regrets. I have disappointments but I did my best, so I I have no regrets."

Check out the photos below.