China Umaki, the youngest daughter of the Umaki family and the only legitimate daughter, has been doted on since she was born. Her parents love her and her brother protects her. Everything seems so happy. However, after her mother passed away, the demons gradually began to hide from the world, and all the conspiracies gradually emerged...
Umaki China: Second brother... If... You weren't my brother... It would be... So wonderful...
Umaki Reiji: Children born from the union of brother and sister can ensure the bloodline... So... Qianna... Can you be my lifelong lover?
Yes, this article is about brother-sister love