Fallen Tales Series: The Ultimate Stepsister of the Useless New Recruit

Synopsis

My name is Bai Wei. When I was in the army, I had a mentally disabled soldier under my command... who had a beautiful stepsister. This mentally disabled guy secretly loved her... Until one day, I got her drunk and raped her... To my surprise, she even came to the barracks to find me... begging me to continue... I started a "sex-fortunate" life in the barracks!!