Straight to No. 1 in Japan I reckon, this 22 minute video of the demo that's now out on their PSN (where you can happily skip the nagging shrew in the first 10) shows pretty much all you need to know about this Vita instalment in the long running series.
Use the Vita as a camera to get the "best" shot of lots of school girls in various scenes, with good shots helping you to get a date. There might be something deeper in this Enterbrain/Kadokawa title, but I doubt it. Western release? Don't even ask!