Help with sister

ok /lounge heres my problem, im 18 and my sister is 25. she lives far away from me and comes to visit rarely. she is truly gorgeous and she is always the object of my masturbation.i still live with my mother. any tips on how to seduce her?
btw she is only half sister

>>26
You could wait. If you think about it, there's really no way to do it other than rape. Or drugging her.