A black-haired girl in a sailor uniform was playing with sand in the sandpit with the other children.

"Hey! Your wife is calling you home for dinner!"

The 'girl' turned around, her cute little face full of confusion.

"Huh? Which one are you talking about?"

……

(PS: This book is also known as "My Wife is a Robot Maid", "My Wife is a Fallen Angel", "My Wife is a Zombie Sister", "My Wife is a Martial Arts Immortal", "My Wife is a Retired Marshal of the Solar System Community"...)