Transmigrate, Then Launch the Reverse Genji Plan

Daoyu woke up one day to discover she had transmigrated into the past and become her own guardian spirit?

But is her spirit master really herself?

Is she? Better take a look.

Isn't she? Better take another look.

Oh, yes, she is.

Anyway, shall we start raising her first? (This is for a Tieba writing contest~)