Immerse yourself in the extraordinary tale of Kazuki, an otaku with a deep infatuation for cat girls, who suddenly finds himself in the enchanting Silver City. Here, a variety of fantastical races coexist harmoniously, but it's the cat girls who command Kazuki's attention. Kazuki's life takes a thrilling turn when he rescues a beautiful cat girl executive from danger, landing him a role as Security Specialist at 'Whisker Wonders,' a prominent cat girl consulting firm.

The Dungeon is a place of magic and mystery, a vast branching, underground labyrinth that has changed the world and the people who dare to enter its depths. Those who brave its challenges are rewarded with wealth, fame, and powerful classes that set them apart from the rest.

Logan Morrison always fought for everything he had, but it never was much. Growing up truly alone did that to you. One day, when taking on an extra tutoring gig to help out a cute chick with a quirky name, she ends up bringing him back to her place. Cool, right? Well, the next morning, Logan wakes up in chains and comes to learn that Cherry Cola is one beautiful and unhinged monster girl member out of three in a small Fresco City witch coven. Their plans for him? Servitude.

David always was an outdoorsman and an explorer. But when Earth merged with the magical world of Tannoris, it suddenly became too dangerous for anyone without a Class to leave the cities. A shame, too, because with elves, foxkin, catkin, and many other magical beings abound, there is plenty for him to experience! But now, David’s dream just might come true! A mystical ritual will awaken his Class, and a budding homestead on the wild frontier is waiting for him to take ownership.

The complete series in a single offering! This battle shall reach its inevitable conclusion -- and the final triumph will belong to Doctor Undying!