I.O.I has released a concert tour poster to celebrate their 10th debut anniversary.

On the 29th, I.O.I (Lim Nayoung, Chungha, Kim Sejeong, Jung Chaeyeon, Kim Sohye, Yoo Yeonjung, Choi Yoojung, Kim Doyeon, Jeon Somi) unveiled the main poster image for the '2026 I.O.I Concert Tour: LOOP' Seoul performance through their official SNS. The poster captures the excitement and joy of the members reuniting after 9 years, blending their matured visuals with their unique energy. The poster also harmoniously features the rhythmic 'LOOP' logo and the 10th-anniversary symbol.

I.O.I will release their third mini-album, 'I.O.I: LOOP,' on May 19. Prior to this, a pre-release track will be unveiled on May 4. The title track, "Suddenly," was co-written by Jeon Somi, with active participation from the members in the songwriting process. The album includes the pop dance track "IOI (Where My Girls At)" featuring Jeon Somi, the rock sound track "IF I" featuring Yoo Yeonjung, and the ballad "Back Then, Us Now" featuring Chungha. The final track, "Goodbye with a Smile," produced by Jinyoung, is an archival recording from 2016 containing the members' voices.

The Asia tour will begin with the Seoul performance at Jamsil Indoor Gymnasium from May 29 to 31, followed by shows across Asia including Bangkok and Hong Kong.