New event's official trailer of ARKNIGHTS "TO THE GRINNING VALLEY" is produced by Yostar Pictctures.

Original Title: Mobile Game ARKNIGHTS
Title: ARKNIGHTS Event “TO THE GRINNING VALLEY” Animation Official Trailer
Narrated by:Kaori Nazuka[Ray]

Published by: Hypergryph / Studio Montagne
Cooperation: Arknights Development and Management Team