A long while ago I read a manhwa that followed a villain. He was a male with black hair. Although he was a villain he seemed pretty nice, cheery, and I believe he liked candy/sweets. He also had a male assistant that had blonde hair. Later in the story they introduce a character with electric powers that is being held hostage (unsure of this characters gender) and I think this character with electric powers decides to follow the villain around for a while.
I also thought the name of the manhwa was a longer one, but I could be confusing it for something else. The art style also looked more cute to me compared to some other manhwas. I’m also not sure if I got the hair colors of the characters right and the roles (like the blonde assistant, I’m not sure if he’s actually an assistant or not).