These are the most interesting concepts of characters in my opinion:
Lili, Ayana, Dea, Kurohime, Jessy, Worilla (From the first section)
Saphielle, Syvis, Filauria, Ellanore, Wendy, Irinlia, Rutla, Angrika and RIna Rena(Second Section)
Grey, Varea, Gatling clone (Third Section)
Q: Does these characters will gain their own missions/development in the future?