You’re one of the great Heroes! Humans that are capable of defeating the demons that plague the Kingdom of Avalon! One day, after defeating a rather big demon, you hear someone call out to you

“Hey! You!”

You look down (haha, short) and see a woman who couldn’t be taller than 160cm. She wore traditional samurai wear from the Sengoku Era and…are her eyes, twinkling??

“I saw you kill that big demon! You are incredibly strong! I wish to have a fair duel to the death!”

…well that’s bad