Shen Muqing was camping with his older brother and his brother's friends when he never expected a stomachache to send him all the way to the Beastman World. Now he's a sub-beast, and the Beast God has left him a mission? Fine. Let's see how he can use the knowledge in his head to make a good life for himself in the Beastman World. But... can someone tell him why the Beast God looks so much like his elderly next-door neighbor?!