The Intrigues of Haruhi Suzumiya (light novel)

After closing a time loop fiasco in The Disappearance of Haruhi Suzumiya(Vol. 5), our protagonist Kyon is ready to start a new year with a blankslate--no time travel, no apocalyptic worries, and maybe some actual peace andquiet with the SOS Brigade, a club comprised of his high school's mostextraordinary students. Their leader is Haruhi, a bold, brash girl who doesn'trealize that she's actually a powerful goddess whose moods can easily change thebalance of the universe.

Just as Kyon starts to get comfortable, he getsa visit from his friend Mikuru. Except this isn't his Mikuru; it's a Mikuru fromeight days in the future! Time traveling shenanigans start all over again asKyon, guided by the future Mikuru, attempts to stop a terrible future frombecoming a reality.