Try getting to know this girl on a deep level. Get to a level where you both trust and genuinely care for each other and both want to take things to that next level. Or just wait till she's really drunk.
well u have to first kiss her and then at the stop of the kiss move yur lips slowly to her chest nd start kissin it thenif ur r on the couch or room lay her down while u r doin that nd ask her do u...