My white cat was summoned to slay a dragon. 1 (Paperback) (ISBN-13: 9798264766701)

In a city that never sleeps, a young Thai-Japanese freelance artist named Tatsu lived a life defined by endless deadlines and his one true companion: a fluffy white cat named Khaopun. He had found the small creature in a rain-soaked cardboard box on a day when his own life felt just as broken.

One night, as the hum of his old air conditioner lulled him into a familiar rhythm, his entire apartment building was ripped from their world without a single warning. When Tatsu opened his eyes, he, his neighbors, and the cat in his lap had stepped into a strange new land governed by unfair rules and shadowed by ever-present danger.

In this new world, people without magical power were branded as "burdens" and cast out like slaves. Tatsu and Khaopun had to fight to survive. But the ordinary white cat he knew revealed a secret-she transformed into a cat-eared girl who could speak, her eyes holding a deeper mystery than a simple pet should.

Thus began the adventure of a "slave" and his "master" in the shadows of a city called Zarvalan, a desolate ruin waiting for someone to save it-or for its ever-present darkness to swallow the newcomers whole.