Seira 10th Anniversary of Artistic Career POP UP SHOP 2026
Date & Time
September 10–September 23, 2026, during the facility’s regular opening hours. The final day will end at 18:00.
Venue
- Yurakucho Marui, 8th Floor
Event Overview
A pop-up store celebrating Seira’s 10th anniversary of artistic career will be held at Yurakucho Marui.
The venue will sell new merchandise featuring newly illustrated artwork from Gachi Koi Nenchakuju and Roshokurei no Meikonron, along with events such as an autograph session celebrating the release of Volume 2 of Roshokurei no Meikonron and a COSMIC two-shot photo session.
During the event period, one bromide photo will be distributed for every 3,000 yen (tax included) spent, and visitors will also be able to participate in a lottery for a chance to win original prizes.


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