Pre-orders start for 'What does it mean to be Momotaro...?'! A storytelling picture book that expands imagination through a chain of 'What does it mean?'

Gakken Co., Ltd. (Shinagawa, Tokyo / President: Tatsuya Nanjo), a group company of Gakken Holdings Co., Ltd. (Shinagawa, Tokyo / President: Hiroaki Miyahara), has begun accepting pre-orders for "What does it mean to be Momotaro...?" (Scheduled for release on April 27, 2026) on March 27, 2026.

An explosive imagination from "Kota-kun", who is about to become a big brother!

"What does it mean if Momotaro is born from a peach...?" ―― From that single phrase, an infinite chain of "What does it mean?" begins. Introducing a new sensation picture book full of humor that makes you want to read it aloud. With every turn of the page, you'll chuckle, and a surprising ending awaits you at the very end. It's sure to be a blast for parents and children alike!

How far do you think imagination can go?

In "What does it mean to be Momotaro...?", the answer expands infinitely from just one single realization.

Kota-kun is about to become a big brother soon. While reading the picture book "Momotaro", he realizes something outrageous!

If the one born from a peach is Momotaro?

...Then what does that mean?

...Then what does THAT mean??

Every time that "?" chains together, Kota-kun's mind expands explosively. What if it was soft serve ice cream? What if it was a backpack...?

A book that will make you laugh out loud and say, "I see!" or "Wow, what an idea!?" with every turn of the page. It's a picture book that gives you energy just by reading it.