My Isekai Life: I Gained a Second Character Class and Became the Strongest Sage in the World! manga volume 22 features story by Shinkoshoto with art by Huuka Kazabana and Ponjea.

While posing as a student at the Royal Academy in order to gain access to a certain tome, Yuji is forced to participate in the school’s infamous field trip. The first day ends up being a breeze thanks to his trusty Slimes. Learning that the second day is supposedly worse than the first, Yuji wakes up expecting a deluge of monsters only to find...nothing? The forest should be teeming with monsters, and yet there’s no sign of any!