Extra Mission 1

Extra Mission: 1 (: 1) or WJ Special Extra MISSION!! is an extra chapter of the SPY x FAMILY manga, written and illustrated by Tatsuya Endo. It was released on July 7, 2019.

Synopsis
The Forgers go on an outing to the aquarium.

Trivia

 * This extra chapter was released to commemorate the volume release of the SPY x FAMILY manga.
 * This extra chapter was originally released after Chapter 8 as Chapter 8.5 in the digital publication.
 * This extra chapter was re-printed in Shounen Jump+ on October 21, 2019.