Kunon the Sorcerer Can See, Vol. 4 (light novel) — Umikaze Minamino

EXCITEMENT, EXHAUSTION, AND AN EXPLOSION OF GREEN!Kunon's duel with the Inferno Prince is finally happening! With the faculty, his classmates, and even the world's greatest witch in the audience, it's bound to be an exhilarating match. What's more, the time has come for Kunon to take on his next research project -- developing a box that can hold magic. Despite plenty of reliable helpers, it promises to be a huge endeavor. Meanwhile, a strange phenomenon turns one of the school buildings into a forest overnight...As the curtain closes on their first year in magic school, Kunon and his friends plumb the depths of their craft and occasionally go a little overboard.