Protagonist: Den-O

In the vast universe where humanity follows the path of beings called Aeons, they live on different planets like Jarilo-VI, Xianzhou Luofu, and many planets that they haven't discovered. Some humans can use elemental powers like Wind, Lighting, Imaginary.

The train travel through space called Astral Express, a train travel through different universe and planets. The crew of Astral Express are travel to other planets to stop Stellaron. However, they encounter a time train called Den-Liner.

A young man who lost his memory and lives with Imagin who helps him through the journey, he can transform by letting Imagin possess him and become a masked warrior called Den-O. How does that affect people? Find out about this story!