Miyu Greer's story:
Successfully complete the game to unlock Miyu Greer's story.
Fujino Shizuru's another story:
Successfully complete Kuga Natsuki's story to unlock Fujino Shizuru's another story.
Homura Nagi's another story:
Successfully complete Tokiha Mai's story to unlock Homura Nagi's another story.
Kazahana Mashiro's another story:
Successfully complete the another stories for Fujino Shizuru, Homura Nagi, Sugiura Aoi, and Yuki Nao to unlock Kazahana Mashiro's another story.
Sugiura Aoi's another story:
Successfully complete Amakawa Sakuya's story to unlock Sugiura Aoi's another story.
Yuki Nao's another story:
Successfully complete Minagi Mikoto's story to unlock Yuki Nao's another story.
Interview:
Successfully complete all stories and another stories to unlock an interview.