Ha Sung Woon is on Instagram!
On January 28, Ha Sung Woon appeared on Instagram with the username gooreumseng.
The account @official.hasungwoon seems to be his official business one while this one seems to be for his personal use.
With a cute selfie, Ha Sung Woon said, "Hello" to his fans. So far, the selfie is the one and only post. For more, you can start following the idol star @gooreumseng!