Gachikoi Maou-sama

A hero sets out to defeat the Demon Lord in order to preserve peace. Upon reaching her castle, he is met by the Demon Lord, who presents him with a marriage contract. Confused by her intense interest in him, the hero finds himself caught in a tense yet comedic situation. The Demon Lord is determined to be with him, while the hero resists, creating a struggle between duty and unexpected feelings. The story explores their conflicting desires as the fate of the world hangs in the balance.