Watch: SEVENTEEN’s Wonwoo Marks His Birthday With Heartfelt New Song “Spring, Summer, Fall, Winter”

<p>SEVENTEEN’s Wonwoo has celebrated his birthday with a special gift for fans! On July 17 at 6 p.m. KST, Wonwoo released his new song “Spring, Summer, Fall, Winter” in celebration of his 30th birthday. “Spring, Summer, Fall, Winter” is a heartfelt track that reflects on every season shared with a l