Mushoku Tensei: Isekai Ittara Konki Dasu (無職転生 ~異世界行ったら本気だす~?, lit. Jobless Reincarnation: I Will Seriously Try If I Go To Another World), is a Japanese web novel series by Rifujin na Magonote and is published on internet web novel website Syosetu. It was serialized between November 22, 2012 and April 3, 2015. A year later, it was announced the series would receive a light novel release under Media Factory's MF Books imprint; the illustrations are done by a Pixiv user called SiroTaka.