After an accident turns a legendary 39-year-old hitman into a 13-year-old, he goes undercover at a middle school, juggling both classes and missions.

A warrior from a post-apocalyptic future travels to 1997 to protect an AI scientist being hunted by an unfeeling — and indestructible — cyborg.

A group of girls hop onto an abandoned train to explore the outside world with strange anomalies.

After he witnesses his father’s murder at the family dojo, Ryo Hazuki dedicates his life to finding the man responsible — a mission that takes him from the streets of Yokosuka, Japan to the sprawling metropolis of Hong Kong, and beyond. Soon he’ll learn that larger, mystical forces are at play as he trains to become the ultimate martial artist in his quest for revenge.

Spin-off series from Ranking of Kings (2021) that recount the side stories which took place in-between the main events of the original series.