K-pop singer Wheesung, 43, was found dead at his home in Seoul on March 10. Authorities responded to a call from a family member at 6:29 PM KST and discovered him unresponsive. While the official cause of death remains unconfirmed, police suspect a possible suicide or drug overdose, with no signs of foul play reported. Given Wheesung’s past struggles with substance abuse, investigators are examining whether his history played a role. The singer, known for hits like Insomnia and Heartsore Story, was set to perform a concert on March 15. His final Instagram post, where he invited fans to the event, has now gone viral, leaving fans mourning and searching for answers.