Arc 1Kamiki’s Return to Yokohama
Kamiki Yūhaku returned to Yokohama and pursued those responsible for the experiments that made him an artificial ability user. After destroying a research facility, he learned of the Number Seven Agency and prepared to rescue Little Crow from it.
- Kamiki Yūhaku bound the system, saved Asaka during the fortress disaster, and reunited with Osamu Dazai.
- Kamiki Yūhaku accepted a mother’s revenge commission and attacked Motojirō Kajii and a Port Mafia weapons warehouse.
- Kamiki Yūhaku encountered Chūya Nakahara and helped Atsushi and Kyōka during the fog crisis.
- Ango Sakaguchi told Chūya Nakahara that Kamiki Yūhaku had survived government experiments and the French Concession explosion.
- Kamiki Yūhaku tracked down the researchers and burned their underground facility, while Ango and Chūya learned about Kambe Kazuha and Kamiki’s past.
- Dazai and Chūya planned to let Kamiki fight the government and intervene if he survived.
- Fyodor Dostoevsky told Kamiki Yūhaku that the Number Seven Agency had erased evidence of the experiments, and Ango Sakaguchi obtained its files on Kamiki.
- Little Crow flew to the Number Seven Agency, and Kamiki Yūhaku decided to rescue him despite Ango Sakaguchi’s warning that it was a trap.