A collaboration between VTuber “Kagura Mea” and Bakudan-yaki Honpo will take place from September 19 to October 18, 2026, at four locations: the Ikebukuro Main Store, the Tokyo Dome City Store, OCTOPUS HOLD, and the Morioka Shibutami Aeon Store. Two types of “Bakudan-yaki + Coaster Sets,” featuring collaboration-exclusive topping sets and special packaging, will be available for 900 yen (tax included). Collaboration merchandise, including acrylic stands and life-size tapestries featuring original life-size illustrations by Eri Natsume, will also be on sale.