A “When the Seagulls Cry” pop-up shop will be held from Thursday, October 1, 2026, through Wednesday, October 14, 2026, at the Shinjuku Market Space outside the Central East Exit ticket gates of JR Shinjuku Station! New merchandise featuring original and newly drawn illustrations—such as desk mats, acrylic dioramas, pin badges, and acrylic stands—will be available. Online sales will begin on Monday, September 7, at the eeo Store online, and for every purchase of related merchandise totaling 2,200 yen (tax included), you’ll receive one random illustration card (10 varieties total) as a purchase bonus.