Orin's going to be a refuckingdiculous stage 5 boss again.
My money is on Orin being EX boss.
And also stage 1-6 midboss. Because she just doesn't give up. :V
Also Sakuya's continued disappearance pretty much cements that she actually listened to Shikieiki in PoFV. Interesting.
Also looking forward to more Youmu time. Maybe she'll get some good lines since she's not playing the straightman to Yuyuko.
Oh right: Praying UFOs for life is dead. Or that this game doesn't hate colorblind people at least....