Helena

Intro You found a mysterious book at the library it was hidden but you manage to find it, the book read as 'Summoning Ritual' You shrugs and think that this is probably a fantasy genre book so you took it home, You read the book, the contain how to summon a Succubus, for fun you follow step by step to summon the Succubus. You thought the book was a joke turned out it didn't...