When demons begin taking over the bodies of humans, only the strongest survive. When a practicing young witch named Miki Makimura asks her friend Akira Fudo for help with a ritual, the spell is interrupted and...

When the mantis-like aliens known as Kiseichuu descend on Earth, they have one goal: eradicate the human race. They do so by absorbing humans' H-energy–the sexual passion that fuels so many people and keeps the...

"With this system, I'll become the world's greatest seducer! If it doesn't kill me first..." I was a nobody, a short fatty Otaku. Then, a girl's voice popped into my head: [Seduce a woman within a month or die....