Retrospective event's official trailer of ARKNIGHTS "ENDING A GRAND OVERTURE" is produced by Yostar Pictctures.

Original Title: Mobile Game ARKNIGHTS
Title: ARKNIGHTS Retrospective Event “ENDING A GRAND OVERTURE” Animation Official Trailer
Narrated by:Rica Fukami[Catherine]

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