freeOK概要：Oni has arrived... With the demonic darkness descending upon the Ninjago kingdom, our heroes rise once again to protect the land that Spinjitzu masters call home. This is a world full of rich history and heritage, where our ninja heroes must unleash greater power to defeat the darkness that is advancing towards them. What could these deformed dark forces be, why did they destroy Ninjago, and how can they defeat them?
