The Unwanted Succubus

Y/N wants the most popular girl in highschool, Irene, to be her girlfriend. So she gets help from her sister and friend who do dark magic. They plan to summon a spirit that helps Y/N get Irene as her girlfriend. But when they start the process, they accidentally end up summoning a hot succubus from the fiery depths of hell.

Y/N ends up signing a contract that will last for eternity, she's doomed forever but there's a solution... Getting out of the same contract she got herself into!

How will Y/N get the woman of her dreams while handling the contract with a hot succubus. Who's mission is to wipe out the the world before it's too late?