Chisato and Mahiro live easy lives as assassins -- until Mahiro accidentally takes down Natsume, who drags them into a massive hit project.

Tasked with infiltrating a shady izakaya pub, Chisato and Mahiro struggle with their first undercover job…while hiding their true skills.

Mahiro finds a plush toy she loves -- but it ends up being stolen! Meanwhile, the assassins are ordered to join the legendary "Fūrinkazan" project.

Chisato and Mahiro join a 10-day assassin boot camp, meeting eccentric teammates under legendary hitman Miyahara. Chaos -- and lessons -- ensue.

The team scrambles to recreate a missing gourmet bento for Miyahara, testing patience, teamwork, and their sanity before their big mission begins.

Project day arrives. Miyahara lines up the target, while Natsume hopes that years of planning finally pay off. The first “Fūrinkazan” mission ends.

A home visit offers Chisato and Mahiro a break from killing, reconnecting with quirky family, and savoring a rare moment of everyday life.

A cat café day ends with police questioning them. Soon, job rotations separate the duo: Mahiro meets “Executioner” Hino, and Chisato hits sales chaos.

Mahiro pairs with Hino to execute a rogue killer, while Chisato struggles in sales. Both face new pressures and hidden missions testing their resolve.

Mahiro hides a secret task while Chisato battles office chaos. Both wrestle with danger, stress, and small comforts as their bond evolves.

While Mahiro faces the task of eliminating her partner, Chisato clashes with ruthless office rules. Both must confront their roles and choices.

After surviving new challenges, Chisato and Mahiro face their first true mission together -- finding the answer to life as assassins.