How I get myself off depends on where I am in my cycle.
Just after a period, I like to do it in the bath, surrounded by candle light. I stroke my clit really gently and let the orgasm build until it washes over me in a wave, almost like a sigh.
As I get near the middle of my cycle, I need it more dirty, more nasty. For a start, I use things inside me like a banana or something like that. But I also like to vary my fantasies. I think I am bi sexual, because sometimes I will sneak a pair of my friends knickers from her laundry hamper. A few times I have used my own sisters. Sometimes I imagine that my brother or even my dad is fucking me. Once, I found a used condom in my parent's waste basket in their bedroom. I snipped off the end and poured my dads cum all over me. THAT was HOT as all hell.
As I get near my period, I find I like to get off in public, maybe in a changing room in a store, or on the bus or train, or even in the local playing field. But I also like to do some really nasty things like pee in my knickers or push something in my arse.
During my period, is when I really get nasty. I like to tear my tights, and have rape fantasies. I even pretend the blood is my cherry. THe orgasms are so strong they can make me pass out.
I should add, I am a virgin and have had NO sexual contact with anyone, male or female, but I DO know I want to try both girls and guys.