Saikyou no Boukensha Datta Ore, Chisai Onnanoko ni Pet to Shite Amayaka Saretemasu...

is a Japanese light novel series written by Kazuki Izumitani, with illustrations by Kanzarin. The series began publication on January 10, 2020 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
"Est, you've done a good job ~ I'll stroke you!" "Do you look like a doggy or something !?"

I, the adventurer who was called the strongest, Est I should have stopped the adventurer and lived my longing slow life at the item shop ....

However, the store manager, Larua, is a little girl who treats me as a pet monster, and because of that, the residents of the city see me with white eyes!

"After all, when there is Est, the shop becomes lively and it's fun!"

Larua, a little girl with a big smile. ...... Well, this may not be bad either.

A heartwarming comedy that the store manager is too cute begins!