Kadokawa has revealed that volume 17 of the light novel Kono Subarashii Sekai ni Shukufuku o! (Konosuba: God's Blessing on This Wonderful World!), written by Natsume Akatsuki and drawn by Kurone Mishima, will be the end of the story and will be released on May 1st.
The light novel was published for the first time in 2013 and in 2016 it received an adaptation to anime, to be followed by a second adaptation in 2017. Recently, the novel has been adapted to a film, which was released last August in Japan.
Source: ANN