Jiu-Jitsu, which originated from RB, is one of the oldest physical arts in the island country, and the judo and aikido that are popular in RB today have evolved from Jiu-Jitsu...... The core is "freehand skills".

Jiu-Jitsu is not very demanding to get started, but it is difficult to refine.

It requires extremely high body coordination of martial artists, and many are proficient in jiu-jitsu

"I Really Became a Gun" (73) Jiu-Jitsu and the Captain Candidate is in the hand, please wait a moment,

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