Arlette is the daughter of another Aiguillon politician, and is a childhood friend of Gigi’s. She’s a lot more mature than Gigi is, and acts as her voice of reason.
Prince is a male model in a casual relationship with Charlene. He’s really icy and snooty, but he cares about Charlene a lot (not that he’s the sensitive type).
Ulten works in the library at the same university Liselia taught at, and even met her for the first time there. Very no-nonsense and professional most of the time, and frequently gets exasperated by Liselia’s antics, but loves her nonetheless.
As for Larra, I’m still kinda workin’ out the details on her, eheh