In High School of the Dead, the protagonist Xia Tian is in the late stages of chuunibyou. In a dramatic turn of events, the mastermind behind it all, the King of Lies, gets himself killed through a blunder.
Having inherited the King of Lies' legacy, Xia Tian travels to Sword Art Online. He intends to ascend to godhood in this world and become transcendent.
Aincrad, the castle in the sky, is made real by Xia Tian, brought from fantasy into reality. Sitting on the throne atop its highest tower, he looks down upon the countless people below.
This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.