"Level up even while offline?! That's not a game on 'easy mode'—that's just an AFK game!" The online game Kenichi Yamada had been playing religiously is shutting down its servers, leaving him with a void in his heart. He looks for a new game to fill it, but everything he finds is way too easy. The kind of game he likes—the kind punishing enough to make players want to spend thousands of hours on it—just isn't around...