My Isekai Life: I Gained a Second Character Class and Became the Strongest Sage in the World!

Getting isekai’d to a magical world and developing incredible powers is every otaku’s wildest dream, but for salaryman Yuuji Sano, it’s the stuff of absolute nightmare! He’s in the middle of a mountain of work when he gets unwillingly pulled into a fantasy realm, where he accomplishes the enviable feat of developing a second character class by...