Lone wolf and club president, Rika Kitami, is called to the principal's office on a daily basis. She has no other choice but to accept all of the principal's requests, no matter how filthy, in order for the club to have a chance at entering the upcoming tournament. The club's top member may be too quick to discover what shenanigans have been going on behind the principal's closed doors. When word gets out that this top member has decided to drop out of school, it's up to Rika to convince him to stay. What will happen with the future of this club? Will Rika find the ways to keep her team together? Read BlackMail and find out!