At the same time, her younger sister Jeongyeon was rapidly becoming one of the biggest K-pop stars in the world through TWICE. The stark contrast between their careers deeply affected Gong Seung-Yeon emotionally. Talking about the complicated emotions she experienced, the actress admitted that her sister’s success felt comforting and painful at the same time. “I was happy that my sister was doing well,” Gong Seung-Yeon confessed. However, she added that as the eldest child, she also felt intense pressure to succeed first and support the family.