A Tokyo-based company Cybird has decided to collaborate with the winter 2021 TV anime The Hidden Dungeon Only I Can Enter in its vending machine business. From today, January 9, a wrapping vending machine that you can purchase original collaboration items, such as "The Harem Water Only I Can Drink" and acrylic trading keychains featuring its four main heroines, is set up in Akihabara, Tokyo.

 https://www.crunchyroll.com/anime-news/2021/01/08-1/try-the-taste-of-harem-water-from-winter-2021-tv-anime-the-hidden-dungeon-only-i-can-enter