Group Mamamu member Sola confessed the yo-yo phenomenon.
On kbs 2TV Boss in the Mirror' broadcasted on the afternoon of the 22nd, the back story of sports trainer Yang Chi-seong and Sola, who succeeded in decorating magazine cover after a severe diet, was drawn.
"It's 12kg in a week," said Yang Chi-seong, who lost 12kg in three months. "It's 7kg," Sola, who minus 8kg, said. I ate medicine, kimchi stew, pork belly, miso stew, hamburger, pizza. I ate until I got up and fell asleep. "
Sola then replied, "Six Pack is left" to MC Kim Sook's question, "Watermelon."
About Boss in the Mirror
Boss in the Mirror is a South Korean variety show hosted by Jeon Hyun-moo and Kim Sook. The show was initially aired as a pilot program on KBS2 on February 5–6, 2019. It premiered on April 28, 2019, as a regular program, and airs every Sunday at 17:00.
 Wikipedia