I Became the Master of the Weakest Demon King

By the same author who brought us <Barbarian’s Adventure in a Fantasy World>A growth fantasy where the protagonist who got stuck in a raising game turns the weakest Demon King into the strongest!I had carefully raised a character in the simulation game <Evil Queen Maker>, only for the final villain to snatch them away as a bride.After sending a long complaint about the ending…I was told, “Then make a better ending yourself.”And just like that, I was possessed by the game’s Demon King’s Mentor!To escape this game, I have to raise the Demon King and see the ending.But the Demon King I have to raise, Seere, is only 7 years old and the weakest in the world.As war and intrigue swirl around them, Seele, as they grow, starts worrying not about battles but about how to gain the attention and affection of their mentor, Nahen—"How do you even raise a kid?"A parenting fantasy where the protagonist must raise Seele into the strongest Demon King.