I Became the Little Demon in Leading Role's Family - Chapter 17 - Why is My Sister so Kind

The dawn era after the end of the half century has gradually rebuilt the order, abandoned civilization, and is full of undivided violence and desire.
The noble and powerful pioneers are in charge of the city, and the evil and mad plagues are in the wilderness.
Pure human beings who cannot mutate are the weakest, dominated by the rulers of the pioneers, and are not as good as animals in the wilderness.
A purely humanized young man with a worldly experience has quietly entered the WTO, holding a three-foot long knife and a long-distance desire to boil in the world of purgatory. From the nameless name to the sorrow of the Supreme Court, the name of the black ride is resounding!

- Description from Uukanshu (translated)

Luis Hartmann activated the mysterious Portal and began the journey of traveling between two worlds. In Immortal world, there are various immortal cultivators who can destroy mountains and live for thousands of years. In his own world, it is a Western fantasy realm where people can become knights or wizards, with different kinds of races. Luis, using the resources of both worlds, rises through the ranks. The life seed that knights awaken when becoming apprentice knights transforms into spiritual roots in the immortal world. With strategic wisdom, he helped his family become the eternal family, dominating both worlds. [Knight + Martial Arts + Immortal Cultivators + Family building]

“Look at you, you were this teeny-weeny when you were little.”Using both hands, Shao Zifeng gestures how small his pet beast used to be. He then raises his head and looks at the gigantic being in front of him.“Just how did you grow into this ferocious form?”

A simple childhood love story.

The female lead’s name is Xiao Tu (Bunny) and the male lead’s name is Ling Chao (Super). As neighbors who were born a month apart, they grew up, went to school, and graduated together.

Tu Tu is a cute and good girl. Even though she’s not really smart, she’s not stupid. Since she is skilled in martial arts, the guys are scared of her.

Ling Chao is smart and cool, but also stuffy and quiet. He is the brainy type who excels in studies.

Tu Tu’s mother wishes her daughter would grow up and marry Ling Chao, but her father disagrees and wants Tu Tu to get to know other boys.

- Description from Novelupdates