MTL - I Am Louis XIV - Chapter 20 human nature

Su Wan is a Realm Destroyer. She shuttles to different time-spaces using the identity of the “Cannon Fodder Ex-Girlfriend”, dedicated to plotting how to happily tear apart the male protagonist and the female protagonist. –There’s no such thing as protagonists who can’t be torn apart, only Ex-Girlfriends who don’t work hard enough~

- Description from Novelupdates

In a world where billions of people simultaneously descended into a Realm of Slaughter.Countries like Lighthouse Nation, Dragon Nation, and Sakura Island clashed for supremacy!Qin Feng awakened an unparalleled talent from the very beginning!SSS-level talent – Infinite Extraction!He wielded the power to extract all, even the gods and the demons![Extraction successful! You have gained Spatial Ability!] [Extraction successful! You have gained Time Ability!] [Extraction successful! You have gained 100 points of Strength Attribute!] [Extraction successful! You have gained 100 points of Agility Attribute!] [Extraction successful! You have gained A-level talent!] [Extraction successful! You have gained S-level talent!] [Extraction successful! You have gained SS-level talent!] From this point on, Qin Feng embarked on a limitless path of harvesting…

Failing in his job hunting, Sanada Kyouichirou was hopeless in this society. When kyouichirou had thrown himself towards the bottom of a cliff. When he woke up his body had returned towards when he was in fifth grade of elementary school. He did not want to have any regrets in this life so he had decided on building up an harem in this second life.

The elder sister that he admired, a senior and president of the student council at a school for rich young girls, a strong minded upper classman at school. The poison fang of Kyouichirou who had pretended to be a innocent child attacks those girls.