第 4 集: Rinka 奮力從 Azuma 失蹤的養姐手中救出 Murasaki
2014年8月2日 播出
Rinka decides to stand and fight back in order to rescue Murasaki. The enemy reveals herself to be Azuma's adoptive sister who had disappeared two years ago with her father. Big things may have been set in motion long before Rinka and Azuma realized. (Source: FUNimation)