Durarara!!x2 Ten Episode 09

"Eloquent & Competent" is the ninth episode of Durarara!!x2 Ten and the forty-ninth episode overall of the Durarara!! anime.

Synopsis
Using multiple false identities, Izaya continues to work behind the scenes. One of those names is “Nakura.” It was twelve years ago that Izaya acquired this name. Izaya and Shinra’s first encounter is told by Shinra which recalls his fateful relationship with “Nakura,” which continues to this day… And now, Izaya asks Celty to deliver a certain package…

Adapted From
adapted from what manga or LN chapter?

Referbacks
references to previous episodes?

New Characters
In order of appearance (not including OP)