MTL - Manga Guidebook - Chapter 121 "Firefly Forest" animation (below)

Her previous life was pitiful. Soon after her birth, her father abandoned his wife and daughter for his first love and left for the city. Her mother left her at her grandmother's house, being indifferent to her suffer, and even schemed to marry her to her couin's lover. What's more, after escaping to the city, she was betrayed by her stepmother and stepsister, being stolen one of her kidneys! Without knowing the truth, she mistook them as benefactors, serving them just as a maid. She later found the truth and accidentally acquired a special space, enjoying good life for about two years before dying suddenly and inexplicably.After being reborn, she strived to avoid the pitfalls of her former life, yet was nearly overwhelmed by the truth when she discovered it.It turned out that the stepmother she hated most was actually her biological mother, and the person she most respected in her former life was actually her father.In her previous life, she had never been in love, and she was uninterested after her rebirth until she inadvertently stumbled upon love and extreme doting.In his previous life, he was also pitiable, but later became extremely wealthy. In this life, because of her, he became even more domineering.

This novel is also known as Gu Daoist Master

Humans are clever in tens of thousands of ways, Gu are the true refined essences of Heaven and Earth.

The Three Temples are unrighteous, the demon is reborn.

Former days are but an old dream, an identical name is made anew.

A story of a time traveler who keeps on being reborn.

A unique world that grows, cultivates, and uses Gu.

The Spring and Autumn Cicada, the Venomous Moonlight Gu, the Wine Insect, All-Encompassing Golden Light Insect, Slender Black Hair Gu, Gu of Hope…

And a great demon of the world that does exactly as his heart pleases!

—

*Gu (蛊) referred to poisonous insects in various cultures in South China while in folklore Gu spirits could transform into all kinds of species.

- Description from Novelupdates

Once an imperial princess, now reborn among the lowest of s*aves of the nobility.

A mortal teenager strayed into the immortal way because of an accident, struggling on the road of seeking immortality.

Immortal Road is difficult to climb to the sky, in the face of numerous obstacles, his desire to seek the truth is still unabated.

Looking back again, the green mountains are still there, so the old is boneless.

- Description from novelbuddy