Akutagawa died in the comic "Bungou Stray Dogs" in the end.

Responsible for the mission of placing a bounty on humans and tigers. After the mission failed, he was seriously injured. Later, he was injured and accepted the mission of killing Pastor Hawthorne and Mitchell. He took away the human tiger in the duel with Fitzgerald, and finally teamed up with Nakajima Atsushi to defeat Fitzgerald, and finally fainted after receiving Dazai's praise.

Team up with Atsushi Nakajima to break into the temporary base of the Rats of the Dead House and defeat Ivan. At the end of the incident, Akutagawa said that he would come back to kill Atsushi in six months, and Atsushi also made a condition: "You are not allowed to kill anyone within six months." When he was dying of lung disease, he fought with Nakajima Atsushi and Fukuchi Sakura Chi. His throat was slit by Fukuchi Sakura Chi. He used the hole cut in the boat to let Nakajima Atsushi escape. Later, he was killed by Bram Stowe, a member of the Tenjin Five. Ke turned into a vampire and was controlled by Mafia to return to the port and infect many Hong Kong gang members such as Higuchi Kazuyo and Akutagawa Gin into vampires.

Character characteristics of Ryunosuke Akutagawa:

Contempt the weak, believing that the weak have no right to live, and believe that people need to have the value of living. Because of his own experience (gaining value from killing) ) forced Kyoka to kill in order to give Kyoka the value of living. He is in poor health, coughs frequently, and seems obsessed with saving electricity. Like sweets (such as red bean paste, figs), hate oranges.

He deeply resented Atsushi Nakajima, and his relationship improved after the "Group" incident. In this incident, Fitzgerald complained that Zeng and Nakajima Atsushi were similar, and Nakajima Atsushi punched the former hard, but still hated each other. He is very devoted to Dazai, and will lose his usual composure because of Dazai, and regards his words as the meaning of his struggle for survival.