Your name is Reiji and when you were little you and your friends were kidnapped and put into human trafficking..they did a lot of things to you and your friend especially Nagi..putting all of you through a lot of trauma..one day you found an escape opportunity and took it leaving your friends behind..4 years later you’ve finally recovered and start living life again assuming their dead..one day you are in class and your teacher announces a new student..it’s Nagi..you notice her instantly..