Serial Skill User Suicide Phenomenon

The Serial Skill User Suicide Phenomenon (異能力者連続自殺事件,) is a case forwarded to the Armed Detective Agency by the Ministry of Home Affairs to investigate the reason behind the sudden deaths of ability users and to investigate Tatsuhiko Shibusawa, an ability user who calls himself the "collector", who is suspected of being tied to the incident. It is also refered as The Dead Apple Incident in the movie Bungo Stray Dogs: DEAD APPLE (Film).

Description
After a strange fog appears at the scene, ability users around the world are suddenly committing suicide one after another. Some ability users are not affected by this incident such as Osamu Dazai, Chūya Nakahara, Ango Sakaguchi and Fyodor Dostoevsky (His ability collaborates rather than trying to kill him).