Calm Down the Third Lady

A good girl who traveled to ancient times! She is the third young lady of the Prime Minister's Palace, and she is timid. She is a business boss, has countless properties, and she is majestic. She is the apprentice of a "ghost doctor" who is famous all over the world. She has weird super powers. She can do almost anything, but she is very calm! She is also very low-key! She is more ordinary! But God loves her so much and is destined to shine for a lifetime! Time travel! Ancient times! Fantasy! A series of ups and downs plots connected together! Are you still calm?