hi. i need some help and any help would be appreciated. i like this girl and i am semi-friends with her sister. the sister is pretty protective of her like she should be and i have a bad reputation with her because i have hooked up with girls she has known and stopped talking to them. so i feel like the sister is going to think i just want to get in her pants which really isnt the goal. i see them both once in a blue moon but im pretty busy with my job. the girl i like is a nice girl and could be a potential gf. how should i approach this situation? the girl i like is hard to contact...i dont have her phone # etc
A) build a good rep with the sister and ask to go on date or maybe double date to be less awkward?
B) wait until i see them both and secretly get the girl that i likes phone # and take it from there?
C) other method

thanks for help.

if you are friends with the sister and the sister doesn't like you I'd tell her how u feel. she'll say it to her sister and if shes game your setup. easy