The alternate Yuki established in the fourth light novel is the main character of the spin - off manga The Disappearance of Nagato Yuki - chan .
The fourth light novel is the Disappearance of Haruhi Suzumiya .
The alternate Yuki established in the fourth light novel , The Disappearance of Haruhi Suzumiya , is the main character of the spin - off manga The Disappearance of Nagato Yuki - chan .