Chūya Nakahara vs. Ryūrō Hirotsu

Chūya Nakahara vs. Ryūrō Hirotsu is a battle fought between Chūya and Hirotsu.

Prologue
Dazai and Hirotsu arrive at Suribachi City by order of Mori to investigate a rumor that has been going that a certain individual was sighted at the area. Hirotsu accompanied Dazai in which upon arriving, told Dazai the history of the place. Meanwhile, Dazai is reading the Complete Suicide. Hirotsu further warns Dazai to be careful since the area is a state of conflict considering that the Port Mafia has currently three enemy organizations, namely Takasekai, GSS and the Sheep. Suddenly, Dazai gets a call from Mori and tells him that he will report the details back. In the middle of their conversation, Dazai was attacked by Chūya Nakahara, the leader of the Sheep. After attacking Dazai, he gives him two options: die now or die after giving him information about Arahabaki they are investigating on.

Battle
In the middle of interrogating Dazai, Hirotsu tells Chūya to surrender.