The Serenity Forge Doki Doki Literature Club Plus! Premium Case & Insert is a special cartridge case designed for Nintendo Switch users. This product, made by Nintendo in Japan, offers a unique and stylish way to store and protect your game cartridges. Perfect for avid gamers looking to add a touch of elegance to their gaming collection, this premium case and insert set is a must-have for any Nintendo Switch enthusiast. Please look at the pictures because they will count as part of the items description also.