Actress Gong Seung-yeon is set to appear on the 344th episode of the tvN variety show 'You Quiz on the Block,' airing on the 20th at 8:45 PM. Celebrating her peak career success 15 years after her debut, Gong discusses her past as a SM Entertainment trainee for 7 years and the reasons behind her transition to acting. Furthermore, she opens up about the challenging times faced by her younger sister, TWICE's Jeongyeon, during her hiatus. Gong shares her protective role in noticing Jeongyeon's health symptoms early and ensuring she was not left alone during her struggle, highlighting their deep sisterly bond. | Actress Gong Seung-yeon is set to appear on the 344th episode of the tvN variety show 'You Quiz on the Block,' airing on the 20th at 8:45 PM. Celebrating her peak career success 15 years after her debut, Gong discusses her past as a SM Entertainment trainee for 7 years and the reasons behind her transition to acting. Furthermore, she opens up about the challenging times faced by her younger sister, TWICE's Jeongyeon, during her hiatus. Gong shares her protective role in noticing Jeongyeon's health symptoms early and ensuring she was not left alone during her struggle, highlighting their deep sisterly bond.