After forming an alliance with the two major guilds and finishing the 8th event with satisfying results, Maple and the members of the guild 【Maple】 are ready for their next adventure. Maple, along with Sari, sets out to explore a hidden dungeon after a long time. They easily overcome the floating castle where 'letting your guard down equals death,' take commemorative photos together, and enjoy the sights of the game. However, new rivals start to appear before them! A girl wrapped in lightning, a puppeteer, a shooting expert, and a guild master dressed as a maid. Encounters with these new players, who are igniting a competitive spirit against 【Maple】, are about to bring new twists and turns?! HERE COMES NEW CHALLENGER?! The popular anime series reaches its 10th installment!