When panic erupts on a Tokyo-bound bullet train that will explode if it slows below 100 kph, authorities race against time to save everyone on board.

Yôji Minamimaru, nicknamed Nanmaru. He is a college student who has the supernatural ability that allows him to "create small holes in anything." With this seemingly useless ability, he must confront a crisis threatening the entire world.

Giving up hope of becoming a mathematician, Gaku feels aimless until star chef Kai brings him on at his restaurant, giving him a new world to master.