Crow
Top-tier Avian Master
Oh and Idolm@ster.
OHOHOHOHOHOHO.
I tried experimenting with iM@S RPs before. One had a person play a Producer and multiple idols each with CG as the base, another had one person be the Producer and others be idols... eeeh, long story.
But yeah, for me it's Granblue Fantasy, Princess Connect, Rage of Bahamut, Million Arthur and...
... yeah, I've sorta lost track of the whole shebang but some of the stuff I'd like to mention like Mahoiku have already been mentioned here, which is a great thing! Goes to show that your favourite series isn't as RP-obscure as you think!