The biggest school of delinquents in their region.
Kawada's students including the 'Five Man Team' under Sera, decided to sign a letter of surrender to Amachi to end the war under the condition that nothing happens to Sera.
They even vowed to cut off their thumbs if they went back on their word.
During Sera's senior year, the school fought against the Manji Empire, along side Abo and his Yurikawa South. Sera defeated Manji's Kokumon Group boss, Itami Ryousuke in a one on one, to achieve victory for the school.