This magical world is about to have an industrial revolution. Get pulled from a life of 20th century boredom and thrust into a fantasy world. Find out there are a bunch of powerful monsters and evil wizards intent on killing everyone. Use new magical powers of earth and metal to craft awesome armor, swords, and guns. Kill the bad guys, become a hero, and have a harem of hot women.

From book one: Being able to rip the soul out of a creature, store it in a precious gem, and use it to cast spells might make me the most powerful student at the Astra Argent Magical Academy. Only I can’t tell anybody about it. Because it's illegal, and they’ll kill me if they find out. But they need me whether they know it yet or not, so I’m going to capture a lot of souls and cast a lot of spells. This is gonna be a crazy semester. This is a monster-girl harem dark-magic academy story.

Stealing from a mage was both the best and worst thing I had ever done. After being caught, I was named a criminal and sent to a prison known as the Jade Bastion. Located at the Edge of the World, this prison carries a secret. Those inmates who have magical abilities are trained in the most powerful magic known to the empire: battle magic. To survive, I will need to discover a secret I didn't know I possessed. I can become more powerful through bonding with the other beautiful, magically inclined inmates.

Steve had experience when it came to waking up with hangovers. Being attacked by kobolds? Not so much. After rousing in the middle of a monster-filled forest, he was sure his life was over. That was until he was saved by a fire-wielding angel who was anything but human. Now Steve finds himself a temporary guest on a small run-down farm filled with monster girls who need his help. None more so than the canine beauty responsible for saving his skin.

A former villain is living a quiet life, hidden among the masses. Miles has one big secret: He might just be the most powerful super in existence. Those days are behind him. But when a wounded young lady unable to control her superpower needs his help, she shatters his boring life, pulling him into the one place he least expected to be—the Bureau of Superheroes.