Durarara!!x2 Ketsu Episode 01

"Even a Chance Acquaintance is Decreed by Destiny" is the first episode of Durarara!!x2 Ketsu and the fifty-third episode overall of the Durarara!! anime.

Adapted From
adapted from what manga or LN chapter?

Referbacks
references to previous episodes?

New Characters
In order of appearance (not including OP)