I was reincarnated as a four-year-old Demon King in a cliché fantasy novel.
On top of that, I’m so weak that I’m just a puppet Demon King being used by other demons! But when the heroes accidentally defeated my tormentor, I saw an opportunity.

If I could hide my identity as the Demon King and make the heroes my protectors, maybe I could survive in this harsh Demon Realm.

After countless efforts, I succeeded in making the three heroes my dads. But, peace was short-lived as they began competing for my attention in the most childish ways.

As if that wasn’t enough, even the male lead—destined to fall for the heroine—started showing an unusual interest in me.

Can I keep my secret safe and navigate this chaotic family life without getting caught?