Pacification (制圧, Seiatsu) is the 54th chapter of the Kiseijuu manga series, written and illustrated by Hitoshi Iwaaki.
When one of the Parasite are killed in front of the civilians, mass panic ensues, causing Yamagishi to step in and force everyone to the ground. During the hysteria, Mayor Hirokawa makes his way back into the building. As the parasites start to fight back, many human lives are sacrificed, in order to kill them. Shinichi sits and watches, while he thinks back on Reiko's words.