SF9 has successfully completed a captivating fan concert, the ‘2023 SF9 FAN-CON ONE DAY PROJECT OF9 -unlock FANDORA- in Seoul’, to the delight of fans worldwide. By selling out all tickets immediately upon release, the band demonstrated their immense popularity. Members Youngbin and Inseong attended after completing their military service, making it an event of particular significance. Ensuring no fan was left out, the concert was streamed live on the globally popular platform, Hello Live, offering international fans an inclusive opportunity to partake in this special occasion.

SF9, introduced as agents amid the rapturous applause of their fans, opened the concert with "Puzzle", the title track from their 12th mini album released earlier this year. Staying true to the fan-centric theme ‘unlock FANDORA’, SF9 presented various special segments dedicated to the fans. The band brought forward the 'FANDORA' box filled with fans' wishes and fond memories. The audience was kept entertained with an array of fun-filled activities: amusing guessing games, engaging dance challenges, and lively Q&A sessions. The brotherly bond among SF9 members was evident in the jest-full conversations and playful engagements, eliciting laughter and warmth from fans.

Fans enthusiastically responded to the band's performances cheering with joy. SF9 fans were further delighted by the band's proactive decision to include fan favorites in the setlist - a reflection of the close bond between the artists and their fans.

At the end of the memorable day, Inseong shared his sentiments by stating, “This is my first official event since being discharged from the military. I’m eager to re-join SF9 with renewed health, passion, and energy.” He encouraged fans to anticipate more from the band. Likewise, leader Youngbin thanked fans for their unwavering support and promised to continuously evolve as an SF9 member.