Contract Marriage starring Love and Revenge - Chapter 18 - . Meeting the mother-in-law

In a world transformed by spiritual energy, Kent, an underdog with an F-rank physique, gains the mysterious SSS-Rank Cultivation System. With the ability to copy and combine powers, he begins his journey to rise from the bottom.By his side is Nima, his sharp-witted younger sister with a rare Soulbinding ability, making her a prodigy. Together, they navigate a world filled with evolving beasts, ancient ruins, and hidden dangers.As they uncover the mysteries of the Emerald Vein and face powerful factions like Nexus, Kent must master his fire-based abilities to protect his sister and rise to power.Can they survive the chaos and claim their destiny? Find out in *Infinite Ascension: My SSS-Rank Cultivation System Made Me Too OP in Modern World!*WSA 2025 Contest.

I exist in the darkness, disappear under the bright light, and will eventually devour the sun and turn into the shadow of all things… Known by people as the indescribable terror of darkness; the king of shadows; the dark day; the existence of the shadow of the world , is still just a somewhat special high school student, facing a weird death game…

- Description from novelbuddy

Shi Jin was a desperate woman and just a pretty face in her past life. She was swapped at birth and brought up in a rich family, only to eventually die a horrible death.