I Was Reincarnated as a Sky Demon and Was Eaten by the Chainsaw Man

Travel through space and time to the world where Chainsaw Man lives. In hell, he fought side by side with Chainsaw Man, erasing the names of many horrific demons from the world. … Later, he came to the present world. "Machima, you will no longer be alone." These were the words he said to her personally as the Demon of the Sky. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.