Yeah, it's not me. He seems to have just copy-pasted the whole first book from the e-book version on Amazon and claimed it as his own. The e-book version that he copied from can be found here: https://www.amazon.com/gp/product/B074875L4L

No need to spam his comment section or anything, just report him. There's a 'report' button at the bottom of the page on wattpad that you can use to report something for copyright issues, on the mobile version of the website. You can use the Amazon link above for the 'original source'.