Ikebukuro Criminal Black Members

Ikebukuro Criminal Black Members (池袋クリミナルブラックメンバーズ,) or simply ICBM is a biker gang.

History
ICBM was a well-known and powerful gang. Its leader, Hansen, was overseer for the Bloody Halloween incident, but was humiliated by Kazutora Hanemiya, causing the gang's reputation to tank.

Later, it was easily taken apart by Tenjiku.

Structure
It is assumed that it was a reasonably powerful gang, but it was easily crushed by Izana Kurokawa and Tenjiku.

Uniform
They wear white bōsōzoku style clothing with words the initials ICBM at the top of the front upper left pocket. At the back of their uniform are their full group name "Ikebukuro Criminal Black Members".