Isekai Maou Gokko: Maou wa Hime wo Taoshitakunai!

Nono, an otaku girl who was reincarnated in another world as a demon lord, sees the princess of an enemy country who looks just like her favorite character...? She's the enemy, but she doesn't want to defeat her; in fact, she wants to get closer to her somehow!!! However, it seems that if she gives up being the demon lord, she will die.