Sacred Seven Season 1 Episode 10 Aoi's Memory ( Air Date 2011-09-04 ) Genre Animation, Action & Adventure category. Overview "Theres been a change to Ruris sister, Aoi. Five years ago, as Ruris family, their butler Kagami and his son spend a fun-filled Christmas week together, Ruri and Aoi have a fight. While small in scale, it changes the destiny of the two girls.".