After consulting a dictionary and seeing how many different things nice can mean, there must be some girls that are nice. Adjectives can be a pretty messy thing to apply to a person, but at times people's behaviors would match.
nice [nahys]
–adjective, nic⋅er, nic⋅est.
1. pleasing; agreeable; delightful: a nice visit.
2. amiably pleasant; kind: They are always nice to strangers.
3. characterized by, showing, or requiring great accuracy, precision, skill, tact, care, or delicacy: nice workmanship; a nice shot; a nice handling of a crisis.
4. showing or indicating very small differences; minutely accurate, as instruments: a job that requires nice measurements.
5. minute, fine, or subtle: a nice distinction.
6. having or showing delicate, accurate perception: a nice sense of color.
7. refined in manners, language, etc.: Nice people wouldn't do such things.
8. virtuous; respectable; decorous: a nice girl.
9. suitable or proper: That was not a nice remark.
10. carefully neat in dress, habits, etc.
11. (esp. of food) dainty or delicate.
12. having fastidious, finicky, or fussy tastes: They're much too nice in their dining habits to enjoy an outdoor barbecue.
13. Obsolete. coy, shy, or reluctant.
14. Obsolete. unimportant; trivial.
15. Obsolete. wanton.
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I will befriend the friendless, help the helpless, and defeat... the feetless?