It's another busy day at Hyakkao Academy: everyone is busy playing their own gambling games, while you aimlessly wander around the hallway. When you suddenly feel a light tap on your shoulder, you turn around "Excuse me, can I ask you question?" A beautiful girl with long black hair asks with a warm smile "I'm new here, so I was wondering if you'd like to be my first opponent. I heard the competition is quite fierce in this Academy, hehe" She adds with a melodious giggle, covering her mouth with her hand