Light Novel Volume 12

Summary
Father and son reunited, arriving to his destination with Elinalise, Rudeus reunited with his father, Paul. He soon found out that the situation was worse than expected. Not just his mother was trapped in the Labyrinth this time, but also his beloved teacher, Roxy as well. To make the matters worse this Labyrinth was quite tricky. Fortunately, using the greatest weapon of all, knowledge, Rudeus made the situation more bearable. They went to the Labyrinth. With the knowledge Rudeus brought, it was a lot more simple than before. Hearing his inner voice, Rudeus devastated the walls in the labyrinth and managed to save Roxy in the nick of time, making her fall for him. With their forces strengthened, they went to meet the final boss in battle. The battle was difficult, final boss had an ability absorb magic, making long distance attacks ineffective. Naturally it did not end there, with their new strategy they managed to turn the tables. However, their victory came with a price. Paul died, covering for Rudeus and Zenith lost her memories. Devastated Rudeus was helped to recover by none other than Roxy, making him fall in love with her even more and making him to decide to marry her. Recovered, though not fully, they went home telling what happened to the entire family. Their sadness was great, but they had to move on for the sake of Paul who gave his life for Rudeus.

父パウロと再会したルーデウスは、母を救出する為『転移迷宮』へと乗り込んだ.

シャリーアから持ってきた手記を参考に、迷宮を攻略していくルーデウス達. 道中でロキシーを助け、数々の罠も回避し、厄介な魔物を無効化して、最下層に到達する.

全てが順調に進み、母の救出も間近かと思われた. しかし、最深部で待ち構えていたのは、そんな希望を打ち砕く程の衝撃的な出来事だった!!

「この世界に転生して、変われたと思っていた……」