After the actual battle with Savage, Hayato was regaining his daily routine. Meanwhile, the mission of being a bodyguard of the world-famous diva Sakura Kirishima comes in. This is to redo the live that was interrupted by the recent Savage invasion. Hayato is taken by the innocent Sakura. Hayato was wondering if this was really a world-class diva, but Sakura was overwhelmed by the performance using Hand Red at the live venue under construction.

Free time for bodyguard missions. Hayato and Emilia enjoy their time in the city of Zwei Islands. During such a good time. Claire reports that Sakura has disappeared from the hotel. While doing so, Sakura appeared in front of him, and Hayato was taken away shortly after explaining the situation to Emilia. The destination is the Zwei Gorge, a place of memories of Sakura. So Hayato decides to learn about Sakura's past ...