A civilization that had known a thousand years of peace suddenly received a visit from a group of unwelcome guests.
They crossed the gate that connected to the other side and set foot on this land.
From that moment on, peace was shattered.
The glory of the samurai fell to gunfire from rifles. Ancient workshops collapsed beneath the whistles of steam engines. The traditional social order crumbled bit by bit before this world-changing force...
Well, actually, those were just things this group of transmigrators happened to do while chasing after girls.
Sweet-voiced, soft-bodied fox girls, wild catgirls, cute and obedient dog-eared girls, and extremely untamed centaur girls...
A bunch of beasts swung the fists of industrial progress and universal values as they shouted:
"I came, I saw, I conquered!"