Follows the story of the the five members of the Ikkokan High School bowling club, Mai, Rina, Sayuri, Nozomi, and Nanase, as they lose and fight, and finally win.

O roubo do Santo Graal da cidade de Fuyuki causa uma cisão no tempo e batalhas da Grande Guerra em escala inimaginável.

A boy whose friend died and became a ghost, starts high school. On his first day, a trunk is sent to him by his brother. From that moment on everyone are after him believing that he holds the mysterious powerful "Asura Machine".