Demon Lord Tasogare  

Twilight the Demon King, 魔王タソガレ

The demon king castle's final boss is responsible for kidnapping the princess and possessing all the power required to permanently separate demons from humans. although his primary concern is managing flags and balancing battles, he struggles to comprehend the princess's actions, which deviate from the norms of their world. additionally, he feels uneasy around her due to limited human interaction.