A bored Rimuru Tempest accompanies Diablo when he goes to meet with an old friend in the Netherworld. What will happen when he meets an out-of-place human boy who piques his interest? (Tensei Shitara Slime Datta Ken and Mairimashita Iruma-kun crossover)

An unofficial graphic novel that takes place after episode 6 of Murder Drones where Uzi gives her life for the cause despite N's best efforts against Tessa's wishes. Summary: After losing the love of his life to save the universe, N struggles with overwhelming grief while stuck on a new planet called Tungsten-13. It is there he makes a new local worker drone friend by the name of Lexi (a runaway miner child searching for a rumored drone refuge camp) and asks for his help. With nothing better to do, he tags along. Unaware of what this journey entails for everyone he knows. So buckle up and brace for the darkness ahead! Enjoy!