Hi there! I'm 16 and not really a professional writer ^_^""". Here's a website where you can type and publish any story, poem, etc. you want:
wattpad.com . It's free and easy to manage! There are other websites, too, but I strongly recommend this one if you just feel like brain-dumping ideas and writing random books! I have an account on Wattpad: Jedi_K! I published anime one-shots, two short stories, one weird dream I had, and this fantasy mermaid story that's ongoing