The girls were at the Seoul Shinchon Artreon CGV, where 100 lucky fans were chosen from those who had purchased their album. The fans showed the biggest response to everything the twins did, taking as many photos as they could.

SEE ALSO: Controversial Japanese adult actress festival 'The 2024 KXF The Fashion' is now canceled

There were even fans from far away places such as Brazil, and also a fan who was in his 60s who came just to see the subunit. After the signing event, the twins said, "We're happy because we feel like we were able to make a lot of special memories communicating with our fans. We were proud that the fans supported us and had fun, and we want to keep having special events to meet our fans through active promotions."