Welcome to the top of the food chain!
After transmigrating from a nuclear blast, Alex embarks on a journey through the anime world with the Blacklight Virus. In this brand-new food chain, he continually devours and evolves. It's just that, along the way, the number of beautiful girls who get [assimilated] seems to keep growing.
What sparks will fly when Nezuko meets Mumei?
Wait, is a virus-style harem evolution really okay?
Worlds visited: Demon Slayer x Kabaneri of the Iron Fortress (complete)
(Already completed with 5 million+ words, so please read without worry.)