Quoted By:
Here's the updated list of confirmed architectural structures.
Polka (currently)
Reine (currently)
Okayu (currently)
Risu (currently)
Noel (most likely currently)
Pikamee (speculated to be)
Korone (180lbs formerly, current status unknown)
Matsuri (Formerly)
Noel (Formerly)
Mori (Formerly)
Ame (Formerly)
Gura (Formerly)
I only know about Holos, make any additions of other chuubas that I might've missed, doesn't matter which agency they're from.