Iinchou No Himegoto

After unintentionally getting drunk at the baseball game after-party, the class representative, Ayano, woke up after a long sleep; only to find herself in bed next to Kagura, her classmate, and she was only wearing her under garments! Not only that, but Kagura is the mafia Kagura group’s 10th generation head! After meeting this evil guy, what sort of fireworks will start blazing between these two?