Mushoku Tensei: Jobless Reincarnation light novel just ended this Kadokawa after celebrating its 10th Anniversary last Tuesday.
Rifujin na Magonote, the Author of the series, started publishing Mushoku Tensei: Jobless Reincarnation as a web novel on November 22, 2012, on a user-generated website, Shōsetsuka ni Naro. The Web Novel continued its publication on the website till 2015. When it was picked up by Kadokawa under the Media Factory Label, and started its serialization as a proper Light Novel.
Mushoku Tensei: Jobless Reincarnation also released a special book to showcase the path Mushoku Tensei has followed, along with some interviews by the Author and the Illustrator Shirotaka-Sensei and some short stories.