The Deadly Butterfly Princess

Kochou Shinobu woke up at age 10, when the princess she was in died at a young age than she's supposed to. Upon gaining the memories of the poor girl, she thought she could relax from her rage after reuniting with her family in heaven when she finished cursing Doma after his death. Now, she has to do something. Somehow, to improve the lives of two sad girls. Feng Ni Tian Xia X-Over