デュラララ!!×9

From Author Wars - https://authorwars.com/books/deyurararax9-2422336.html

Overview:

Title: デュラララ!!×9
Author: 成田良悟
Year: 2011
Type: Novels
Series: デュラララ!! / Durarara!!
Number in Series: 9

Variant Titles:

2018. Durarara!!, Vol. 9