Dangsinege Bachineun Seonmul

A hero who sets out to the Demon World in search of the 'Demon King's Sword' to prevent the absurd engagement of his beloved princess. The Demon King desires her when he sees her, but the hero, who has sworn allegiance to the royal family, does not succumb to the Demon King's temptation. Then, the Demon King appears before her in the form of the...