Three Years and Three Years Later, I Was Promoted to a General.

Traveling through the world of navigation, he was taken in by Koushiro, the leader of the Isshin Gym. Takahashi also activated the system and obtained all the inheritance of the Sword Rider Knight. Since then, Isshin Gym has an extra swordsman. But Takahashi didn't expect that Koushiro would recommend him to the world's number one criminal. But Dorag asked Takahashi to join the navy and become an undercover agent. Guina: Ever since my senior brother came, I have put away my pride. Zoro: I can't even defeat Kuina. How can I defeat Takahashi and become the world's best swordsman? Hawkeye: Takahashi let me know that there is still room for improvement in my sword skills! Sengoku: Takahashi is the most disobedient navy I have ever led! Akainu: Some people actually say that Takahashi is an undercover agent. How can there be such a high-profile undercover agent! Aokiji: Takahashi's work is comparable to Mr. Garp back then! Takahashi: Mr. Dorag, our navy fights for justice! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.