"What Should I Do If I Beat the Scumbag for My Sister and Find Out I Beat the Wrong Person"

Is there anything more embarrassing than beating up a scumbag for your sister only to find out that you beat the wrong person? Cen Huai's answer is: Yes! That's when you start school and find out that this person is your new professional teacher... "Why you"! "Why can't it be me"? Professor Anshuang, who is cold and cool, fucks a student with a hot mouth It's so cool to be on the wrong side of the road! Intention: Take it easy and make the protagonist happy.