The Attack on Titan series is collaborating with Nanatsu no Taizai ~ Hikari to Yami no Grand Cross (The Seven Deadly Sins: Grand Cross of Light and Darkness) from Netmarble, a smartphone role-playing game for a crossover event that will start on 29 June. The YouTube channel released a preview on Thursday.
The trailer opens with Diane teasing Titans of his own size, before introducing the rest of the cast to The Seven Deadly Sins. The video also shows Levi from the Scout Corps appearing to help, as well as a certain Titan at the end.
The “cinematic adventure role-playing game” based on the original manga The Seven Deadly Sins by Nakaba Suzuki, released in Japan in June last year.
Attack on Titan has previously collaborated with several smartphone game titles, including Puzzle & Dragons and Chain Chronicle.