My Guardian Angel is a DEVIL

this story is about a supposed to be a Guardian Angel of a kind-hearted innocent girl..

he was set to be in heaven but by some mistake, they thought that he was not belong to heaven and they sent him in hell..

there, he was commanded by the devil to be the guardian angel of the same girl but he should convince the girl to be a

bad person..

but what if he accidentally learned to love the girl..

would he finished his task or he would be called as

"My Guardian Angel is a DEVIL"