The Leaf of Yukotrasil from Origin X Infinity

In Yectrasil, every green ash leaf on the giant branch is a world. When dead leaves fall from the branches, it represents the fall of the world. Conversely, it also represents the birth of a new world. Between dusk and dawn, Yggdrasil cycles endlessly until... "You are *Dhogg. Your existence means that Yggdrasil, the world tree, is about to usher in the twilight of the gods. Kamen Rider Decade, the destroyer of the world, what exactly did he see in his eyes at this time? This book will never end. It is dedicated to you who once wanted to be a hero and had beautiful fantasies. It commemorates the handover of Reiwa and Heisei. Beatrice, also a requiem for When the Sea Cat Cries This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.