Double-posting on account of the "big announcement". PASSPO is moving to a different label and will be releasing a new single February 2016.
As long as they don't go to Sony (because they are notorious for region blocking stuff), it should be a good thing. Yumemiru Adolescence thankfully have their own YouTube which is not blocked but, TPD, Nogizaka, etc. are pretty much all blocked outside of Japan, no?
Wonder if they'll be the first to take iDOL Street on their offer to have outside groups join?
Based on where the other Platinum groups are, Crown (predia), Columbia (palet), or Dream (Silent Siren) would not be bad choices.
6 years into their career I doubt they'd go back to indies but if they did, T-Palette would not be so bad. More possible collabs with Upga! Maybe even some with lyrical school or (gasp) POP?