Machi, Tomohiko and Hotaru attend the same high school. Machi misses her older brother, who disappeared six years earlier. The trio takes up his trail, which leads them first to Tokyo and then across the sea.

After seeing the movie Psychokinesis Senpai, they discover that zombies have overrun the outside world! The protagonist heads for the river with a girl who calls him "senpai." Viewers will surely get a kick out of the unpredictable story development and the lines that touch on topics from love to cosmology.

High school track star Michiru and too-serious track captain Nitta grow closer as they search for meaning amidst the pressures of their lives. Two girls on the track team. They couldn't be more different as they deal with the problems of high school together.