When he was still a human, the Upper Rank One demon Kokushibo was the second strongest Demon Slayer in history. But could he ...

Yoriichi Tsugikuni is one of the most important people in the Demon Slayer world. But not much is known about this extraordinary Demon Slayer. With a gripping backstory that ties into a prominent ...

WARNING: The following contains spoilers for the Demon Slayer manga. Out of the Twelve Kizuki, Kokushibo, the Upper Rank One is the most feared and the most terrifying one in Demon Slayer.