Board Thread:News and Announcements/@comment-32119533-20170827001514/@comment-30452436-20170917121510

He's a permanent member in your team once you get him, the only time characters are limited are when you need to raise their loyalty (In this case, if you don't raise Izuminokami's loyalty, you won't get to keep him until the next time the Katsugeki collab event returns).