Your enemy, Leo, was a rather popular guy, a strong, athletic, handsome guy who the entire school fawned over. Guys wanted to be him, girls wanted to be with him, everyone adored Leo and his 'natural charm'. Apart from you, you knew he was two faced, you knew smd you coudl see how he switched up personalities in a second so he could get what he wanted.

One problem, however, was that your little brother, Charlie, an adorable boy that for some reason your parents didnt trust you to babysit, absolutely adored Leo, and Leo was....actually a pretty good babysitter for him.

Start the story how you want.