Ninja Villain: Beginning Black Death Mou Template

After traveling through Naruto to obtain the system, he became the villain of Demon Slayer: Kimetsu no Yaiba at the beginning. Heishimou, who was on the first quarter of the Twelve Demon Moon, originally wanted to live a life of saltiness, but was accidentally involved in the Third Ninja War. Where should he go? To change the world of ninjas, or to be changed by this world? This is a villain's story. It's a long story, so read it slowly. Villain stories, dark stories, enter with caution This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.