Overview: Team Otori, the 5 of them began to move on. One day, Hiragi, issued extracurricular activities on the field of musical profession. Hoshitani and the others are to help out on the site as staff - what, it's the prince of the Musical World! On the other hand, Hoshitani's mind is still remains caught up. "Otori-senpai, why did you left us..." It was discovered, the reason was in order to protect them!