Kalin
Unwanted
Satsuko can't be a real angel since she ain't a cat girl.
I never thought I'd say it, but compared to this atrocity, True Love actually seems like a good game. Aside from having a dreamy cat-girl angel, it also came with an obligatory busty nurse, and the smart rich girl was appropriately shy, not the absurd tomboy we get here. Scheduling was much better implemented as well, no "do one thing for a whole week" nonsense, you had three activities per day if I recall correctly, and hey, you could also purchase special items and whatnot.
In addition, the events were mighty classy and came with some truly meaningful choices:
Can't go wrong with that, now can you?