The Anime Crossover Chimera

Feng is an investigator for a multiverse-spanning empire. He once led the crew of Seer on a search for the Infinite Energy Source. He once traveled through one Kamen Rider world after another disguised as Wang Xiaoming. He once observed various civilizations with Hikari. He took part in several Holy Grail Wars in Type-Moon. He developed the King of Glory System. And much more...

Many years later, he returned to the shipgirl world.

This is the story of a ridiculously overpowered man and his shipgirls driving the Sirens out of their world.

In short, he travels through countless worlds, and the adventures never end.