Negiho: Negima Little Girls was released in Japan on September 8, 2017 by Kodansha. This book was released as a spin-off of the original series.
This is a one-off release of a short spin-off series where the roles are reversed and Negi is a teenage teacher and his students are in preschool. There are many differences between this and the original series.
This book also includes a sticker sheet featuring various characters and the logo in the back.