Synopsis
The weakest Demon King just became his problem. When a transmigrator ends up as the mentor of the most pathetic Demon King in history, the first thought isn't world domination or grand schemes — it's more like, okay, how do I actually raise this kid? The Demon King is small. Weak. Kind of a mess. And for some reason, now his responsibility. This isn't a story about conquering the world or sitting on a throne of power. It's about figuring out meals, training, discipline, and whether or not a Demon King can be raised properly when his mentor has no…
