Welcome. We're a small but friendly forum. So, feel free to post or explore the topics here. (I'm sounding like a broken record)
Did you watch the 2011 anime? If not, then I recommend watching it since that's how many of us started out. If yes, then I would highly recommend playing the main games such as the most recent one being One for All on the PS3 (which is region free). You can watch youtube videos for Idolm@ster 2 (which came before One for All) if you don't feel like playing it on the PS3. I see you played SP, so that's great. I wish I could play the previous Im@s games like Idolm@ster 1, Live for you, and SP.
At the same time, check out other im@s stuff such as the music, mangas, drama cds, movie, OVA, etc if you feel like exploring more. We also have a wiki here, so check that out to read articles about everything for im@s franchise.
I like to make art, music, and sometimes i write (really bad) fanfictions!!
Don't worry. My fanfics are worse. But, I plan on altering them a bit when I have free time.
