Joyfull x Demon Slayer: Kimetsu no Yaiba Collaboration Enters Waves 3 and 4 With Seven New Menu Items
Family restaurant chain Joyfull is running Waves 3 and 4 of its Demon Slayer: Kimetsu no Yaiba collaboration campaign, adding seven new character-inspired menu items alongside continuing favorites, limited novelties, capsule toys, and SNS giveaways from August 18 through September 29, 2026.