The easy way is to find a story you really enjoy and use text processor to substitute the name/gender of the main character.
I did that a lot, for personal fun. Everyone has a text editor, right? ^_^
Looking for personal story writer
Im looking for someone to write a medium to longish length story about me ( if you choose to write it youll get my real name) where i inflate as punishment from a girl who i scorned but she ends up liking me as a balloon boy bassically a blowjob inflation for me and then maybe i cum in her mouth a bit and bloat her too! Any takers please pm or write me at jdougins@gmail.com
Write a story for you and get your full name, that's quite the payment.