Mushoku Tensei: Jobless Reincarnation Novel Volume 12 features story by Rifujin na Magonote and art by Shirotaka.

Rudeus and Paul must descend into the deadly depths of a Teleportation Labyrinth to rescue Zenith. The father-son duo makes short work of deadly beasts and ancient magical traps, but it’s the terrible truth at the Labyrinth’s heart that proves the greatest threat of all. What happens when all hope is shattered beyond recall?