かつて九郎が倒した外国人テロリストのアレクセイら外商部隊の二人と遭 通した十郎と竜虎。 鈴木の陽動作戦にまんまと引っかかり、 NINのエゴ 田のアジトに侵入してしまった五十嵐と、 その背後にいるであろう加藤を 討伐するため4人と猫1匹は行動を共にすることに。 一方、 アジトである エコエコタワーの最上階では、小説家の吉田が NINの活躍を宣伝する 動画配信者になるため鈴木にしごかれていた。 After running into a couple of foreign terrorists that Kuro defeated, Alexei and his companion from the foreign merchant unit, Juro and Ryuko decide to work together with them along with a cat. Their mission is to beat Igarashi, who was caught in Suzuki's ploy and lured into NIN's secret base of operations in Egota, as well as Kato, who is likely behind him. Meanwhile, on the top floor of Eco Eco Tower, the secret base of NIN, Suzuki puts novelist Yoshida through the wringer to make him an online streamer to promote NIN's activities.
