Gong Seung Yeon expressed how much she loves her sister TWICE's Jeongyeon. Gong Seung Yeon, Kim Min Jae, Park Ji Hoon, and Park Ho San promoted their drama "Flower Crew: Joseon Marriage Agency" on the episode of JTBC's "Ask Us Anything."

Super Junior's Kim Heechul asked Min Kyung Hoon if there is someone she thinks of when she sees Seung Yeon. Min Kyung Hoon said she is the older sister of TWICE's Jeongyeon.

Kang Ho Dong said, "I remember last time when TWICE came on the show, Jeongyeon said that her sister is a famous actress. She said that once, she wasn't wearing any makeup and her sister was wearing a full face of makeup, but people only recognized her."

Kim Heechul said that Gong Seung Yeon was not noticed when she was wearing full make and her sister was not wearing makeup. The people only recognized Jeongyeon. She felt sorry because of what happened.

Kim Young Chul said that he recognized Jeongyeon when he saw her without makeup at the salon. Gong Seung Yeon said, "Really? But we're a mess!"

Lee Sang Min goy confused if Gong Seung Yeon was older or younger than Jeongyeon. Kim Heechul explained that Seung Yeon is older than her. Jeongyeon is younger between the two sisters. Gong Seung Yeon said that their age gap is only 3 years.

Gong Seung Yeon talked about the incident when only Jeongyeon was recognized. Gong Seung Yeon said, "During the Mnet survival show "Sixteen", when Jeongyeon was a trainee before her debut, people recognized her. I was wearing a full face of makeup because I had just returned from filming, and I was even appearing in a drama at the time, but people asked Jeongyeon for autographs."

The actress said that she did not feel hurt during the incident. She was proud of her sister because she was doing a good job. Her sister inspired her to work harder.

Seo Jang Hoon asked if Gong Seung Yeon's parents only ask for her sister. Gong Seung Yeon said that there was a time when their parents call each other "Jeongyeon's mom" and "Jeongyeon's dad." She confronted her mom about it. Her mom said that they are only humans and they only follow public recognition. She also revealed that their incomes are not the same as each other.