Pretty good, Shion's state of mind and the twins' sense of self-identity is really fascinating, the 'one year earlier' stuff clarifies a lot, and it's impressive how it puts such a different spin on what was happening behind the scenes in Watanagashi without seeming like an ass-pull (although I'll admit the one thing I'm a bit 'oh, well that's kindve contrived' is the significance of Keiichi not giving Mion the doll just being 'she rang up Shion to complain')

I will say that while it's really interesting to see Shion's side of things and recontextualise Watanagashi a lot, I did feel like the pacing dragged a bit knowing what would happen, especially after about the middle third?

Incidentally not really seeing Satoko and Rena since Tatarigoroshi made me really realise how much I've come to appreciate and care for these characters whenever they briefly turned up here.