A Person Who Refuses To Be A Slave

Yumi Hinata had a cheat on her back and was known as a genius. Unfortunately, as a member of a branch family, even if she had the power to flatten the main family 18 times, she still had to be controlled by others. How could Yumi Hinata, who grew up listening to the national anthem, endure it?She endured it until she was 20 years old, and felt that she was about to become a ninja turtle. One night, she finally decided that she couldn't endure it anymore, and so the story began.