T1 Seongsu Popup Guide: T1 COUNTING STARS at T Factory Seongsu

T1’s Seongsu popup, officially titled “Amhaeng Cheonmun: Counting the Stars (T1 COUNTING STARS),” opens at T Factory Seongsu in Seoul’s Seongdong-gu on July 2, 2026. The event is organized with SK Telecom and is built around T1’s history from the SKT T1 era to the current team, with confirmed displays including championship trophies and a uniform worn by Lee “Faker” Sang-hyeok during a championship run.¹

The most important planning details are the event period, the free ticket route, the reservation schedule, and the separate goods pickup reservation. The official T1 Membership listing identifies the entry product as “T1 COUNTING STARS POP-UP TICKET,” marks it as free, and lists the event period as July 2 to September 13, 2026.²

T1 Seongsu Popup Tickets and Entry

Advance reservations for the popup opened at noon on June 19, 2026 through the official T1 Membership page, with bookings handled by time slot. Sports Kyunghyang reported that walk-in visits may also be supported depending on on-site conditions, so visitors without a reservation should treat walk-in entry as conditional rather than guaranteed.³

There is one extra entry point to check before visiting: the official ticket listing says visitors must sign up on the T Factory website to enter.² In practical terms, anyone planning a visit should confirm both the T1 popup ticket or reservation status and the T Factory website registration requirement before going to Seongsu. Because the popup uses time-slot reservations, the safest plan is to verify the exact session time, account requirements, and admission instructions on the relevant pages before arrival.

The venue itself is T Factory Seongsu, a SK Telecom space in Seongsu-dong. SK Telecom Newsroom reported that T Factory Seongsu reopened after renovation with a May 25, 2026 event called “Seongsu-dong Feast Day.” The renewed space includes a second-floor lounge available to SKT customers and one companion for one hour, with one free drink per person and luggage storage lockers.⁴ Those venue details may help visitors plan their time around the popup, but they should not be treated as a substitute for the separate T1 popup admission process.

What the T1 COUNTING STARS Popup Includes

The popup concept casts visitors as “Amhaeng Cheonmungwan,” or secret royal astronomers, exploring T1’s championship history. Sports Kyunghyang reported that the event is organized into an exhibition zone, an experience zone, and an MD zone.³ That structure gives visitors three clear expectations: a team-history exhibition, themed activities, and a merchandise area.

The exhibition portion looks back from the SKT T1 period to the present. Confirmed items include championship trophies and Faker’s championship-worn uniform.¹ Those are the specific display details available from the source material, so visitors should avoid assuming additional exhibits, player appearances, signing events, or stage programs unless T1 announces them separately through official channels.

T1 Fan Experience department head Park Hyung-jun said he hoped many fans would visit T Factory Seongsu and “leave special memories,” a short comment that matches the event’s fan-experience focus without adding details beyond the announced program.³

The MD zone is also part of the popup. Bridge Economy reported that merchandise products, including limited goods, will be available, and that reservations for on-site goods pickup begin at noon on June 24, 2026 through the t1.fan page.⁵ Visitors mainly interested in merchandise should separate admission planning from goods planning: the popup ticket concerns entry, while goods pickup may require its own reservation flow.

The available source material does not provide a full merchandise list, prices, stock quantities, refund rules, or restock information. For that reason, product-specific planning should be based on the t1.fan page rather than on assumptions about what will remain available during the full event period.

Visit Planning Notes for T Factory Seongsu

T1 also promoted the popup through its official YouTube channel with a June 18, 2026 video titled “Recruiting New Amhaeng Cheonmungwan.” The video description repeats that advance reservations begin at noon on June 19, 2026 through the T1 Membership reservation page.⁶ Because official embeds are not needed for basic visit planning, the practical takeaway is that T1’s own channels point visitors back to the membership reservation route.

For a smooth visit, start with the free “T1 COUNTING STARS POP-UP TICKET,” then check whether the desired time slot is available. Next, complete any required T Factory website sign-up before going to the venue. If merchandise pickup is the priority, check the separate t1.fan goods pickup reservation that begins at noon on June 24, 2026.⁵

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Patrick Choi

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