Time Paradox Ghostwriter summary:

On a cold and stormy night, I decide to give up on my dream. But lightning strikes! And now I have an issue of Shonen Jump from the future! Teppei Sasaki is a passionate rookie manga artist who dreams of getting a series in Weekly Shonen Jump. One day, he gets a copy of Jump from ten years in the future. Is it all a coincidence, or is it fate? Whatever the case, destiny is about to change… Time warps! Destinies intersected! For a tomorrow that was never meant to be! The future of Jump is here!