My Crush Got Possessed by the Duke

So-A knows that having a crush on a childhood friend can be complicated, but it’s even harder when he gets possessed by… the duke?! When So-A’s friend Yu-Seong is suddenly possessed by Duke Hereis De Licariel, they must figure out a way to get Hereis back home -- which is easier said than done when Hereis sounds like he came straight out of a...