Echoes of Vengeance: The Sweet Wife's Perfect Revenge - Chapter 6: The Devil’s Blueprint

Jiang Cheng transmigrated into an urban novel, but his identity is not the protagonist!His identity is the fiancé of the villainous female CEO?!A business genius whose family fell into decline became a son-in-law?[ Ding! System activated! The system of the destiny villain has been activated! ]Gain villain value just by changing the plot and plundering the protagonist’s opportunities?[ Ding! Congratulations on getting the skill ‘Thug in Suit’! ][ Ding! Congratulations on getting the first heroine to confess her love to you. Villain value +9999! ][ Ding! Congratulations on successfully robbing the protagonist of his opportunity! ]Steal the protagonist’s opportunities and connections!From then on, Jiang Cheng went further and further on his way to becoming a villain.

Li Yi accidentally obtained a black science and technology library, which contains countless books of the inheritance of high-tech civilization and records countless knowledge.

There are thousands of bells in the book, there is a golden house in the book, there are many horses in the book, and there are Yan Ruyu in the book.

Li Yi has completely turned into a bookworm, learning all kinds of knowledge from the library, grand unified theory, particle Tebo theory, …, acquiring various black technologies, superconducting materials, super batteries, intelligent algorithms, … .

- Description from novelbuddy

Hakuto's life changes forever when his father Shin— a man with highly questionable morals—marries Kagura Kurotsuki, the CEO of a multinational company, and they move into her luxurious mansion.There, he meets the alluring daughters of his new stepmother: the seductive Yuzu—who doesn't hesitate to tease both her new stepbrother and her stepfather in ways that are... rather bold—and Rika, more introverted and irritable, yet just as sensual.But nothing is truly as it seems...Kagura is a succubus, but Rika and Yuzu are different.They were born from a demon and a vampire—something that shouldn’t be exsiste.Because of that, demons, vampires, even humans want them.But Hakuto won’t allow it.He’ll never let anyone hurt his beloved stepsisters.