Anime Crossover: Starting with Zi-O

An Yang transmigrated one day, becoming Tokiwa Souyo, the younger brother of Tokiwa Sougo.

Eighteen years later, his System awakened, granting him the complete Kamen Rider Watch System. From the start, he transformed into MangseiZI_KO, the Realm-Spanning Time King, and later went on to traverse the entire crossover anime world.

In short: I became freaking awesome.

This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.