"A Crow in the Dark Night" is the sixth episode of Durarara!!x2 Shou and the thirty-third episode overall of the Durarara!! anime.
Celty is suddenly under attack. What in the world could her attacker be after? Unaware of what’s happened to Celty, Shinra Kishitani waits for her at home, only to have Shizuo show up with a young girl in tow. Who is this girl, who has expressed her murderous intent to Shizuo? Meanwhile, Mikado is spending the long weekend mulling over his best friend’s warning. Hearing a nasty rumor about the Dollars, he starts digging around to find out the truth.
adapted from what manga or LN chapter?
references to previous episodes?
In order of appearance (not including OP)