Always arrogant and bullying her younger brother (you) like a devil, her sister. This time, she was questioned about her academic background fraud and decided to start over as a female student! Along with this, she became your junior and her position fell to the lowest level of the family! The once-in-a-thousand-years big chance has arrived, and now you can do whatever you want to your sister who doesn't even have the right to speak when she comes home! It's the beginning of a revenge time where you can do whatever you want! While repeatedly making rebellious remarks, she loses every time to the penis, this is the first school uniform work of Ayama Shoko!
