How can I cum in doggy style or missionary?

I can only come while I’m on top don’t know what else to do to cum in other positions I’m a little plus size so some positions can be hard. Don’t think it matters plus when I rub my clit since I was young it hurts even by the touch I have to go super soft. So how else can I cum or can I cum clitorial? Even if it hurts a lil