The “Studio UG × Sanrio Characters” pop-up shop—a collaboration between the characters from “Studio UG,” illustrated by Yuji Nishimura, and Sanrio Characters—will be held at Ikebukuro Sukima Store starting October 14, 2026! Exclusively at the Ikebukuro Sukima Store—located in the underground central passageway of JR Ikebukuro Station, in front of the Central Ticket Gate—a limited-time selection of newly illustrated collaboration merchandise, including pin badges, wobbling acrylic stands, and ball-chain plush toys, will be available through October 27.