Mineral Exhibition and Manga Autograph Session Set for Shinjuku
Mineral & Cafe Mineral Muru will hold a special exhibition and sale at Stella Gallery Shinjuku on July 18-19, 2026, featuring minerals, gems, fossils, and a gem kaleidoscope workshop. On July 19, author Yamasechika will hold an autograph session for the reprinted manga "The Maid of the Jewelry Shop," which the cafe supervises. The event is the first Kanto exhibition for the Hyogo-based cafe.