I Reincarnated as a Celestial Venerable, but Became the Principal of a School for Girls

The Age of Dharma Decline has ended. Ten thousand years have passed, ashes are reborn, and spiritual energy flows once more.

Liu Cheng was reborn with the memories and cultivation of a big shot from before the Age of Dharma Decline. He discovered that he'd gotten a beautiful wife and a darling daughter for free, with a youthful, gorgeous sister-in-law thrown in as a bonus. In the end, he decided to carry on their legacy and establish Qingyun Academy.

His ghost wife works as his secretary, his darling daughter is the mascot, and his fallen fairy is a teacher.

But there's a problem: Liu Cheng unexpectedly discovers that all the female students he takes on are related by blood to his wife.

So here's the question:

What should I do if all my female students are my sisters-in-law?