This is one of my top fetishes. Nipple sucking drives me insane. I feel like I like it for different reasons than most people do. For me, it's that a girl's soft, tender, pink nipples are one of the most sensitive parts of her whole body, and she submits to the pleasure really quickly, she's gasping and moaning , etc.

Good stuff that I like is hard to find. Most of it is either "sucking milk out of big tits lol", motherly nursing, or worst of all, older women making other girls submit by sucking their tits, like it's something that only babies do.