After the incident with Caïssa, Tom's chess level has improved considerably. Back at school, he reunites with Harmony, Laurent, Saori, as well as Anne, Marius and Zhang. These seven chess club members of the International School of Shibuya must now battle each other to determine who will qualify for the prestigious roles of school representatives to compete in the Kantô region Junior High School Tournament.

Facing skilled opponents, our heroes' abilities and characters will be put to the test... Memories, rivalries, unexpected reunions... Can the young ISS team come out victorious?

As Bonus Material included in each volume, chess games are explained move by move to allow you to better understand the strategy. To facilitate further understanding, a chess lexicon and annotations are included.