防衛隊長官・四ノ宮功が持つ、怪獣2号の力を奪いに来た怪獣9号。死闘の末9号を追い詰めた功だが、最後は力尽き2号の力を奪われてしまう。そして、長官を倒し融合した怪獣9号は、その現場に到着したカフカ・キコル・鳴海を相手に戦うのだが...!?　
――非情が漂う、第七巻!!

Kaiju No. 9 shows up to steal the power of Kaiju No. 2, wielded by Isao Shinomiya, director general of the Defense Force. At the end of the deadly battle, Isao manages to get No. 9 on the ropes, but he ends up exhausting all his strength, allowing the kaiju to steal No. 2’s power. With Isao defeated, No. 9 fuses with the director general and takes on Kafka, Kikoru, and Narumi! Will they be able to defeat No. 9 and save their fearless leader?!