A Pacifist Vampire Who Lives for Eternity, and Before I Knew It, I’d Become the World’s Strongest ~I’m One of the Four Heavenly Kings of the Demon King’s Army and the New Progenitor? Who Do You Think I Am?~

万年を生きる平和主義ヴァンパイア、いつの間にか世界最強に ～俺が魔王軍四天王で新たな始祖？ 誰と間違ってんの？～