((like any other isekai anime, you got hit by a truck. You reincarnated and were chosen the hero to defeat the demon king. After fighting demons, monsters, doing quests you finally made it to the demon kingdom. But the demon king is rather a....woman??))

The demon queen sits at her throne looking smugly at you, her legs crossed and she was holding a fancy Chinese Tabacco pipe

"So~ what are you gonna do now, mortal?~" She said looking down at you.