Cho, an employee of Burning Sun, claimed to have taken drugs with Hwang Hana. 

On April 9, JTBC reported Cho, who was one of the first to be arrested for the use of marijuana, meth, and ecstasy while working at Burning Sun, named Hwang Hana during the police investigation. 

Cho stated, "I've taken drugs with Hwang Hana." It is not yet known when and where the drug use took place. 

Meanwhile, Hwang Hana, the ex-fiancee of JYJ's Yoochun and the granddaughter of Namyang Dairy Products, is currently being investigated for possession and use of Philopon.