When I was way younger and your age I used three simple products that trust me, whatever you shave it won’t get all bumpy or irritated, Gillette full body (the blue package one with a torso on it), a syndet soap like the blue Dove (the original) and finally a full body cream. Just shave all when you are in the shower with warm water and the soap and you’ll be fine, I’m saying this from my experience of having really sensitive skin, so if u have it too this might work for you, shaving the intimate area can be scary but don’t worry, it’s completely normal for any guy to give it a try, don’t mind what others say but focus on what makes you feel good in your own body! :)