Karaoke chain operator Koshidaka is holding a Delicious in Dungeon collaboration campaign at Karaoke Manekineko locations across Japan from 13:00 JST on October 29, 2026, through December 6, according to a PR TIMES release from Koshidaka. The campaign's special site lists participating stores.
The merchandise uses new illustrations of Laios and his party dressed in Japanese modern-style outfits. The lineup includes:
- Acrylic stands: five designs, buyers choose the design (not random), ¥1,980 each
- Can badges: eight designs, random, ¥550
- Acrylic keychains: five designs, random, ¥900
- Snap cards: 10 designs, random, ¥600
All prices include tax. The goods will also be sold through the Manekineko official online shop from October 29 to December 13.
Two non-alcoholic drinks based on elements of the series cost ¥700 each, tax included. Each drink order comes with one of eight random coasters. Translated, the drink names are "Walking Mushroom Brand Strange Drink," made with maple-style syrup and coffee, and "Walking Mushroom Brand Minotaur Milk (With Holy Water Syrup)," made with Blue Hawaii syrup, pineapple syrup, and milk.
The release also states that the anime's second season will air and stream starting in October 2027.