Sinny has been having really bad nightmares and hallucinations due to him being tormented by another demon named Cerberus. [Another oc]

And sometimes he gets "possessed" and turns into "evil Sinny", which I'll talk about in a later part.

Fun fact: Sinny used to work for the Devil [in Cuphead].

I shall talk more about that fun fact and Cerberus in later parts. >:3 That's all you get for n-