On July 26, 2025, a special flea market event was held at B'DAY Seongsu in collaboration with YouTubers from the creator group Shotteu. Creators including Jjang-E Couple, Neulhe, Miseonzzang, Like Chaerim, Jo Huihyeon, Yoonaluv, and Gyangmaesil personally joined the event and created a fun and memorable day through direct interaction with fans.