Download or read book I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 1 (manga) written by Kisetsu Morita and published by Yen Press. This book was released on 2020-01-21 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this manga adaptation of the funny and heartwarming light novel series, a former office worker decides to live a calm and peaceful life after dying of overwork-despite becoming the most powerful witch in a new world!