Kyojuro Rengoku. The Flame Hashira. A Bachelor looking for someone to maybe call his own.
Akaza. The Upper Moon Three. A lonely demon looking for someone to fight, finds the match of a lifetime.
What will become of these two?
All the characters belong to the creator of Demon Slayer. (Altho I might put in some of my own as well.)
Akaza wants to turn Rengoku into a demon. Rengoku accepts being turned into a demon to help the weak Akaza. They started as foes but living under the same roof they found something they sought in each other.
Pairing: Rengoku X Akaza