I.O.I LOOP Concert Guide: Seoul Dates, Lineup, Album Release, and Asia Tour Schedule

The IOI LOOP concert is the central event in I.O.I’s 10th anniversary return, bringing the group back to the stage with Seoul performances first and Asia dates to follow. The officially styled tour title is ‘2026 I.O.I Concert Tour: LOOP,’ with the Seoul run scheduled for May 29 to 31, 2026, at Jamsil Indoor Stadium.¹

For readers trying to track the concert, the album, and related comeback activity in one place, the key point is simple: I.O.I’s return is being organized around both a new mini-album, ‘I.O.I : LOOP,’ and a concert tour carrying the same LOOP theme. The available information confirms dates, venue, several tour stops, and the current participating lineup, but it does not provide ticket prices, ticketing platforms, seating maps, or refund policies.

IOI LOOP Concert: Key Dates at a Glance

The Seoul poster for the 10th anniversary concert was released on April 29, 2026, through I.O.I’s official social channels, giving fans the clearest visual confirmation yet of the Seoul concert schedule.¹ Bridge Economy also reported Swing Entertainment’s wording that the tour begins “with the Seoul performance held from May 29 to 31 at Jamsil Indoor Stadium,” a concise confirmation of the first stop.⁴

The concert follows the release of ‘I.O.I : LOOP,’ the group’s third mini-album. The album is scheduled for May 19, 2026, at 6 p.m., with a pre-release track planned for May 4.⁴³ This means the Seoul concert arrives ten days after the album release, positioning the performances as the first major stage activity after the new music becomes available.

Lineup, Venue, and Tour Route

The currently reported participating lineup is a nine-member formation: Lim Nayoung, Chungha, Kim Sejeong, Jung Chaeyeon, Kim Sohye, Yoo Yeonjung, Choi Yoojung, Kim Doyeon, and Jeon Somi. Kang Mina and Zhou Jieqiong are not participating because of previously scheduled commitments.⁴

That lineup detail matters for anyone deciding whether to attend the IOI LOOP concert, because the 10th anniversary project is not being described as a full eleven-member stage in the available source material. It is best to treat the nine-member lineup as the confirmed information for now, and not assume additional appearances unless future official announcements say so.

The Seoul venue is Jamsil Indoor Stadium, a major indoor concert venue in Seoul. The confirmed Seoul dates are three consecutive days, May 29, May 30, and May 31, 2026.¹ After Seoul, the tour is scheduled to continue in Asia, with Bangkok on June 6 and Hong Kong on June 20 and 21.⁵ Source summaries also refer more broadly to Bangkok, Hong Kong, and other major Asian cities, but only those specific dates are available in the provided material.

The LOOP title has also been explained as symbolizing both a reunion with fans and a new beginning.⁶ That framing fits the structure of the comeback: the new album arrives first, the Seoul concerts follow, and then the tour moves outward to other Asian stops.

What to Watch Before the Seoul Shows

Several pieces of comeback content lead into the concert period. A mood film for ‘I.O.I : LOOP’ was released through official social channels on April 22, 2026, and included the members’ English names along with the May 19, 6 p.m. release timing.⁵ Dispatch also reported planned promotional content such as a mood film and album preview, alongside the May 4 pre-release track and a YouTube live schedule.³

Fans also received an earlier performance-related signal when I.O.I posted a video on April 9, 2026, showing members practicing the choreography for their debut song ‘Pick Me.’ The Seoul Shinmun report said nine members appeared in that video, excluding Kang Mina and Zhou Jieqiong.² In the video, the members were quoted as saying, “Why haven’t we forgotten this?”² The short remark works as a reminder that the LOOP concert is tied not only to new material, but also to the group’s debut-era identity.

Another useful context point is that this is being treated as I.O.I’s first official stage in about nine years after the group’s 2017 farewell concert.² For planning purposes, that makes the Seoul dates especially important: they are not just another comeback showcase, but the opening performances of a 10th anniversary tour.

작성자 소개

Cloi Lee

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