Ichiba Kurogane Wants to Earn Money

Ichiba Kurogane is the son of a rich business family, but he wants to earn money by his own power. For this, he goes to Gakuenzono Academy, where students are scored only by how much money they can earn! Within the school, all transactions are made with school-yen, and anything else is forbidden.

Kurogane can tell by sight which people ...