Transmigrated as the Villain’s Personal Jade Pendant

[1] As a medical student with ten years of experience reading on Green River, Cheng Xiao had imagined that one day she might die from overwork and transmigrate into a book.

But...

Why does everyone else transmigrate as an empress, a young lady, or at least a pet, while she transmigrates as a jade pendant? And not just any jade pendant, but the villain's jade pendant! Good heavens! You could at least have made me a living thing!

The one silver lining is...

This villain hasn't grown up yet!

[2] Xie Yuncheng realizes that all sorts of strange things have been happening around him lately. Teacups mysteriously shatter, and people who bully him suddenly trip. He thinks he must have earned the aid of an immortal.

Until one day, he sees a tiny, three-headed-tall figure sneak out of his jade pendant and tiptoe over to stuff medicinal herbs into his new water bottle.

Looking at the adorable little figure, Xie Yuncheng suddenly wants to grab this "immortal" and keep her in his palm, so she can never go anywhere and can only save him.

A clever, kindhearted medical student with sweetness to spare x a scheming little emperor with a possessive streak

Note: 1. Both leads are sexually inexperienced.

2. No romance before they are of age!

Theme: Promote traditional Chinese medicine