Possibly upon her death , she was forever engulfed by Yamime .
In the end , Satsuki learns that Shinobu was once her mother 's classmate who mysteriously disappeared .
Possibly upon Satsuki 's death , Satsuki was forever engulfed by Yamime .
In the end , Satsuki learns that Shinobu was once her mother 's classmate who mysteriously disappeared .