Desu! Volume 1

is a side story of the No Game No Life series, focusing on Izuna Hatsuse and her life, while also covering the way she perceives Sora and Shiro. It was written by Yuu Kamiya and illustrated by Kazuya Yuizaki, and was published on January 23, 2016.

An official English translation released under the name '''No Game No Life, Please! Vol. 1: Adorable Izuna Hatsuse Is a Young Werebeast Girl Who Wants To Learn More! '''was published on June 20, 2017 by Yen Press.

Synopsis
In a world where everything is decided by games, adorable (but foulmouthed) Izuna Hatsuse is a young Werebeast girl who wants to learn more. As she follows Sora, Shiro, and the others, what answers will she find for herself? LET THE GAMES BEGIN!

Chapters

 * ① The World Is a Game
 * ② Puzzle
 * ③ This Is My Way to Win, Please!
 * ④ Move of Imperfection
 * ⑤ Izuna Ate This Later, and It Was Delicious
 * Afterword
 * Original Short Story

Trivia

 * "Desu!" is Izuna's catchphrase in Japanese, while in English it is "Please!"

No Game No Life desu! 就是游戏人生!