『Players, I welcome you all to my world.』 『My name is Kayaba Akihiko. Right now, I am the only person who can control this world.』 『I think that most of you have discovered the fact that the Log Out button has disappeared from the main menu. This is not a bug; it is all part of «Sword Art Online»'s system.』 『Until you get to the top of this castle, you cannot log out of your own free will.』 『...also, the disruption or dismantling of the Nerve Gear from the outside is strictly forbidden. If th...