Well you know where you usually see Hiashi?, Her Father?, He's usually on one of the buildings off to the lower right, That's where she should be whenever she appears,
You only need to date her twice to Unlock her, and if you have everyone else, Yes you'll get Minato/The Yellow Flash.
[b]
^Now THOSE, Are Vampires!, Unlike the crappy Twilight!,
Man, Don't mess with Anya o_0 EPIC BATTLE! Poor Stark, He just wants to sleep XDCurrent Obsession: [color=crimson]VAMPIRES!! XD.