Keitaro opened his front door one morning and suddenly transferred to a different world where demons and monsters live. Keitaro meets a young girl, Nia who is a half-demon. Nia urges Keitaro to "make a child...

In the final showdown between the Demon King and the Hero, the latter used all his power to seal away the former. To exact her revenge on her father's nemesis, the Demon King's daughter, Hel, resurrected the...

It’s hard to defeat a mighty hero when he keeps coming back to life–in fact, it’s impossible. The Dark Lord, stuck in a loop of battling a good guy who won’t stay dead, finally loses the fight and me...