Overview: Detectives in the special investigation team in Kanagawa go after criminal organization "Red Venius," based out of Yokohama. While pursuing the gang, the detectives turn into children due to exposure to a special gas. Dekachou (Fuku Suzuki) and the other detectives continue their investigation via an order from the National Police Agency. "Red Venius" then gives notice that they will they will assassinate the President of Tadzhikistan in Japan.
Overview: News about the disappearance of panties is still being covered every day. Kyosuke still wears Aiko Completo's panties to battle evil. Meanwhile, Aiko has mixed emotions and decides to get her panties back. Kyosuke suffers from the loss of Aiko's panties and disappears, but his biggest enemy yet is about to materialise.
Unification of Japan Gaiden: Kawatani Family - Jiro the Outlaw Assassin
Overview: A "side story" film centered on Onaga Terukuni (Kyan Yutaka), the Captain of Yuusei Group, a subsidiary of the Kawatani Family. A legendary assassin is released from prison, and Teru is charged by Himuro (Motomiya Fujikaze) and Tamura (Yamaguchi Yoshiyuki) to welcome him back. But who he meets appears to be a senile old man who may need more help than he realizes ...