In a world where technology and all humanity had built dilapidated by a mysterious abyss. Supernatural forces reign as humans awaken with incredible powers and face off against mutated creatures. Eri discovers he's a Vampire with a Horror System, thrusting him into a dangerous new reality. As Eri navigates this treacherous world, he must master his abilities and confront dark forces threatening humanity's very existence. Join Eri on an epic adventure filled with magic, mystery, and redemption in a world where the line between reality and fantasy is blurred. Get ready for a thrilling journey where the impossible becomes possible. Undergoing major edits before the final chapters are released... Then completion