KNOCK ON

In the blood-and-gunpowder-filled world of the mafia, Nico was raised as a top-class hitman. However, the shock of his best friend Noah's murder led him to flee the organization, and he now lives a peaceful life as a junk shop and handyman in town.

He meets a new partner, Ateka, and tries to overcome his past trauma through his daily life... but his former mafia boss hasn't forgotten Nico's exceptional skills as a hitman. A chilling plan is underway to force him to pledge allegiance to the organization once again and bring him back to his side...

(Source: Akita Shoten, translated)