K-Pop Singer Yonan dead at 28 June 17, 2020 K-Pop star,Kim Jeong-hwan, known as Yohan in the Korean pop group TST, has died at just 28-years-old. TST’s record label, KJ Entertainment confirmed the news,...Please wait...Subscribe to our newsletterWant to be notified when our article is published? Enter your email address and name below to be the first to know. SIGN UP FOR NEWSLETTER NOW Enter your email address:Delivered by FeedBurner