Multiverse: Library

In "Multiverse: Library" by HeavenEmpress, Kaiser finds himself in an extraordinary, boundless library where books contain entire worlds. Appointed as the Librarian of the Fantasy Library, his duty is to inhabit these book-worlds. Wielding the Authority of Ultimate Control over All Weapons, Kaiser is a formidable presence in these realms. His adventure commences in The Asterisk War, where he acquires the fabled Orga Lux—Ser-Veresta and Gravisheath. The journey escalates as he obtains the potent True Longinus in High School DxD. From duels in Asterisk to confronting devils, clashing with Soul Reapers in Bleach, and facing gods in Campione, Kaiser is set to forge his legacy throughout the multiverse. He possesses the power to reshape reality itself if it falls short of his desires. The narrative will feature harem elements, primarily beginning in the Campione world, with developments unfolding gradually over the story's extensive length.