Light Novel Paperback Size Mages, who have been said to be incompetent, are actually the best in the world, but they are not aware of it because they were imprisoned (5) / Bong Overlap library
※Please note that product information is not in full comprehensive meaning because of the machine translation.
Japanese title: ライトノベル文庫サイズ 無能と言われ続けた魔導師、実は世界最強なのに幽閉されていたので自覚なし(5) / 奉 オーバーラップ文庫