The Lovelyz Americas attended the day.
TVN 'Sick Saddon Practice' is a program in which real parents of couples who see the marriage of virtual couples share their talks with each other's virtual Saddon. It is starring Kwon Hyuk-soo, Austin River, South Club Nam Tae-hyun, Nine Muses Accounting, Lovelyz America, Nosayeon, Jang Do-yeon, Americas, Gim Gu-ra and Seo Min-jung.
Jung Yu-jin
About Lovelyz
Lovelyz was a South Korean girl group formed in 2014 by Woollim Entertainment and is the company's first girl group. The group consists of eight members: Baby Soul, Jiae, Jisoo, Mijoo, Kei, Jin, Sujeong and Yein.
 Wikipedia