Seven Deadly Sins: Hikari to Yami no Grand Cross「七つの大罪 光と闇の 交戦 グランドクロス , Nanatsu no Taizai: Hikari to Yami no Gurando Kurosu; literally meaning "Seven Deadly Sins: Grand Cross of Light and Darkness"」, also known simply as Grand Cross, is a mobile game, based on the manga and anime series Nanatsu no Taizai, developed by ...