Lu Ning, an ordinary high school girl, holds the key to the parallel world.
Zotte, a former special forces veteran who spent ten years in prison, shoulders the heavy responsibility of saving his world.
Traveling through time and space, he repeatedly experienced the test of life and death, the weirdness and lies between multiple universes, love and separation.
Can the 18-year-old high school girls and the special forces return to their ordinary lives?
Everything in this seems to be in the hands of familiar and unfamiliar people.
