The Magicless Hero and His Demon Lord Daughter

Over ten years ago—
“Prepare to die, Demon Lord!”
“Alright! I leave my daughter in your hands!”
“I refuse!”
And so, I brought her home and raised her as my daughter.

Present Day—
“Papa, where did the Hero go after that?”
“The Hero? Well, after defeating the Demon Lord, he set off on a journey to a faraway land.”
“If the Demon Lord ever appears again, will the Hero come back?”
Of course he will. Because if you go berserk…