The heroine Hongo Yuki is the heir to the Hongo Consortium, but she was framed to death by her stepmother and half-sister. After death, her soul traveled to Hongo Mei. She was also the heir to the Hongo Consortium, but Hongo Mei was sent to St. Lucia College to attend school.
Yuuki is not omnipotent, and does not even have the ability to protect himself. After experiencing the lessons of the previous life, I no longer trust anyone.
There are TV plots and original works.