Hiratu Nakamura is a friendless, hopeless, anti-social second-year high school boy. During his usual daily routine, he meets a strange transfer student. What he doesn't know is that this encounter...is about to change his boring life.
After meeting Aika Nubera, he goes on insane adventures he'd never dream to go on, until one day...she dies.
Returning to school, now a third-year of high school, his world