Set about one year after the ending to The Fable.
Akira and Youko are forced to abort their latest mission due to the Covid-19 pandemic and return to Osaka to continue their quiet life as regular civilians but the peace is not to last.

A fabled genius at killing resides somewhere hidden in Osaka. Taught since childhood to obey the orders of his boss, he is ordered to live in Osaka as a normal person for one year in order for the boss to lay low.