Fuuka and Rinne lived in an orphanage. Together, as childhood friends who were like sisters, they endured a poor life as they dreamed of a bright future. However, the coming of the "second separation" was about to drastically change the fate of both Fuuka and Rinne…

[Source: Amazon]

Bonus OVAs included with the second, third and fourth Blu-ray/DVD volumes of the TV anime.