The Strongest Female Warrior but an Idiot!

Demon King! The ultimate being who stands at the top of the monsters. The area where the Demon King appeared is home to a large number of powerful monsters that are harming humans. The guild was alarmed by this and declared that they would pay a large reward to anyone who defeated the Demon King. Adventurers boasting their skills descend on the Demon King's castle in droves. Among them was her, known as the strongest warrior..