オットー・フォン・ハイデッカーはゲーム脳。

Experience a blend of action, comedy, and fantasy in Otto Von Heidegger Is Game-Brained, also known as オットー・フォン・ハイデッカーはゲーム脳. This Japanese web novel introduces readers to a world where the protagonist grapples with a unique predicament - being reincarnated as the villain in an adventure magic academy simulation RPG game. Faced with the challenge of avoiding a predestined 'fat flag' and rewriting his story, the protagonist embarks on a journey filled with magic, maids, and supernatural encounters. With themes of determination, appearance changes, and overpowered protagonists, this novel promises a captivating read for fans of the fantasy and isekai genres.