Karin Sasaki

is a member of Special Fire Force Company 4.

VS. Special Fire Force Company 4 arc
Karin appears in this arc.

Ōbi's Rescue arc
Upon tv broadcasting that Akitaru Ōbi was arrested for attempting to kidnap Shinra Kusakabe, Karin told Ogun Montgomery that it was hard to believe that Special Fire Force Company 8 would be involved in the incident.