Kaiju No. 8 volume 6 features story and art by Naoya Matsumoto.

Kafka has encountered Kaiju No. 9, but he finds himself unable to transform. Luckily, Kikoru comes to the rescue and goes head-to-head with it. Meanwhile, the Kaiju No. 9 that Captain Narumi encountered undergoes an evolution during battle! With the pressure on, Director General Shinomiya is left with no choice but to act!