A Magical World: Farming and Raising Kids

Here's the situation.

I transmigrated into a magical world, but I'm a Muggle.

After my grandfather passed away, I inherited his orphanage and got three little ones along with it.

Grandpa left a letter saying:

The fifteen-year-old dragon kid is a little dumb, but he eats a lot.

The twelve-year-old goblin is a bit shy around strangers.

The five-year-old human...

Me: "..."

A Muggle raising nonhuman kids?

I work diligently, run an orphanage, and heal people's ailments.

I thought I wasn't a Muggle, but a hidden angel!

That is, until demons started pledging their loyalty to me one after another, and I finally realized I was actually a high-ranking Demon King.

But by then, I'd already infiltrated the temple.

This is... very urgent.

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Third-person narration, 1v1, the gong is not one of the kids.

Everyday slice of life, farming and business management + academy adventures (if it falls apart, pretend I never said that).

Theme: Agriculture is the foundation