The new event requires the first meeting with Akai in the workarea near Aldlyn, Shey's event including her help for Maria at the Ironholm prison, that you defeated Raidy in the Spire of Courage challenge floor to get to the raid area, and that all previous events for Elly and Ryoko are done. You might be missing a dialg with Elly. Else, check the step-by-step guide for their events in the walkthrough to see if you're missing any previous steps.
