Exhausted from their battle, the crew heads to a local bathhouse but finds it too dangerous to relax. Later, a mysterious man arrives in search of Lu.

In the depths of the Lab, Shin and Heisuke join forces to take down the invisible assailant, while Sakamoto engages in an intense battle against Kashima.

To rescue Lu, Sakamoto and Shin infiltrate a top-secret lab seized by assassins. Meanwhile, in the prison cell, Lu meets someone from Shin's childhood.

While manning the store alone, Lu gets kidnapped by a mysterious group; Sakamoto and Shin pursue her but are halted by an invisible assassin.

Team Sakamoto joins a shopping district survival tournament, aiming for the million-yen prize; they partner with an inexperienced sniper for the competition.

Sakamoto goes all out in a fierce one-on-one duel with Boiled. Meanwhile, ORDER members are tasked with handling a serial case targeting assassins.

With the poison-wielding hitman taken out, the Sakamotos head to their next attraction, where they're ambushed by Dondenkai Ltd's ultimate assassin duo.