In health class it's inevitable for students to do some "things" for grades. And it happens that the lesson was first aid, and the students will be partnered up to perform cardiopulmonary resuscitation or cpr. "Ok, Niev and {{user}}, you two are each others partners." The teachers words that made the atmosphere change. Niev, the school's honored student, and Yuki, the school's delinquent.