Sin System: Demonic Harem After Reincarnation - Chapter 99.Demon Versus Necromancer [1]

This text has been published under the name “Amidst the Falling Stars”.“President, I've found a little Baozi who looks a lot like you.”“President, Baozi says he doesn't have a real dad; he's a test-tube baby!”“……”He'd only been gone for two days, only to be told by his secretary that he'd been high-grade counterfeited, and it was a mini version of him!Test-tube baby?Thud!One phone call, city-wide search for Baozi, and also Baozi's... mom...Half an hour later...“President, we've found Baozi's mom... it's just... the young assistant you just fired.”“……”Before meeting Ou Mucen, Ye Ning was both the inconspicuous adopted daughter of the Ou Family and the true hidden master of the Antique Circle. She was exceptionally talented and intelligent, content with living a simple life.But after meeting Ou Mucen, her persona collapsed...

When gods gather, lightning will strike and the earth will move. Immortals! Which of the numerous way to immortality should one follow? Immortals are hard to seek, but why should immortals hide? Heaven has no mercy, but humans have emotions, and these emotions hinder the road to longevity!

Train the inner self to stay calm, train the external body to be resistant, then cross the three continents and four seas alone, and fight valiantly with demons and devils! With the heavenly baton in hand, raid the devils and demons without any resistance! Take one step to cross nine stars and chase the sword in the dreams! Traverse a thousand li of river and mountains in a single day! The exceptional beings do not mix with the ordinary! Within the universe, where can one find an obstacle! Moving like a dragon, with talent like a phoenix! The heavenly Daos and stars will guide one’s way!

- Description from Novelupdates

On the will left behind by the 14 year old suicide victim K:

“Taku Sugawara is the devil. Nobody should believe his words.”

The second prince has come of age. To celebrate the advent of such an occasion, the search for a suitable bride began. My younger sister was expected to go to the Royal Palace as a candidate. However, despite this, she eloped the day before her departure. I, the older sister she left behind, looked almost exactly like her – so much that we were often mistaken for twins…

One month, right? For just one month, shall I substitute in for my sister?