Baki-dou (2018)

Baki is bored. After the conclusion of the epic battle between father and son, he continues to fight in the underground arena and train nonstop, but he always has to suppress his yawn caused by the overbearing boredom. No amount of stimulus or danger can bring excitement to him at this point. Now, with the inclusion of the Prime Minister of Japan in the loop, a massive cloning project is attempting to clone Miyamoto Musashi, one of the fathers of martial arts in Japan. Another fight of historical proportions awaits Baki! (Source: MangaHelpers) *Includes chapter 197.5*

This time the series is about Jack Hanma, the brother of the current main character Baki. The Baki Rahen series focuses on the character of Jack, his own path in life and his constant struggle to gain more and more strength.

Bonus stories following the convicts featured in Baki's death row inmates arc after the events of Baki's second manga.

The boy asked the man, the man answered....."I've been there, in the Korakuen Arena, fought against Hanayama Kaoru, it was amazing." The boy asked him again but this time a question that terrified him to the core 'Where's the amusement park?" the man had no answer. This is a series of illustrated tales about a dark place inside the world of the Baki series, the so-called "Amusement Park" come and discover by yourself why strong men fear it so much. Take a peek at darkness itself!!!

Focused on the street fighter Chiharu Shiba.