My Sister Can't Be This Cute

Lu Xiaotian accidentally came to the world of halberd, and found that he had become a waste wood helper in the Beijou building. What's more embarrassing is that there is a little sister who loves eroge games with a pure and pure heart.
Kosaka Kirino?Is this the rhythm of German orthopaedics?
In order to save his younger sister who was addicted to eroge games, Lu Xiaotian, determined to become a chef, started his vigorous career with a spoon in his left hand and a kitchen knife in his right. (This story and characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.)…