Tsukita Gen (Author)

Middle-aged teacher, Mato Mikio, dies of natural causes on the day he discovered and took revenge on the murderer of his wife and daughter. However, his spirit was transported to a strange world and got transferred in the body of a boy named Ricardo Unius. This strange world is called the “Playground of the Heavenly…

One day, the Earth’s axis tilted slightly, causing drastic climate changes that resulted in the submergence of continents and islands while new land emerged. The surviving Japanese people settled on the newly formed islands created by undersea uplifts, where powerful feudal lords vied for supremacy in a manner reminiscent of the Sengoku (warring states) period.…

In a world where defeating monsters within the labyrinth granted an enigmatic power and knowledge called “Mana” (true name), Dennis, a nobleman’s son, was born into a poverty-stricken life that was far from noble. Being the second son and ineligible to inherit the territory, Dennis embarks on a journey into the labyrinth, seeking to acquire…