In Order to Live as an Immortal, I changed a martial artist world to a xianxia world - Chapter 61

Qin Tian accidentally transmigrated into a sickly body, a body with broken Dantian that was unable to practice Qigong, in another world. Fortunately, God had mercy on him by giving him a level up system. Useless? That was him in the past. Not worrying about practicing Qigong, he was now able to kill Monsters to level up. Easy! Level up when killing Monsters; level up when killing people. An unbeatable sovereign of the clan in the eyes of other people, but in his eyes, he is a glittering big BOSS.

With this level up system, he will no longer encounter any bottlenecks during a breakthrough in cultivation like other geniuses; all he needs to do was kill as many monsters, clan heads, sovereigns, world experts … to have a better life.

Dedicating his life on a road to become an expert.

- Description from Novelupdates

He transmigrated and got a system but Lin Feng’s pressure is as big as a mountain.

System main quest: Lin Feng creates a school, establishing history’s number 1 sect, Lin Feng himself becoming the number 1 founder.

And so to become history’s number 1 founder Lin Feng started to work hard.

“Your name is Shi Tianhao? Natural born supreme king but it was stolen by your cousin. Now being raised in a little village your father placed you in? Come come come, come with master, we’ll let those people know that justice that is owed must be returned!”

“Your name is Xiao Yan? A genius in the past, now a loser. Your fiance even came over and humiliated you by breaking off the engagement? Come come come, come with master, we’ll let that brat know the meaning of don’t bully a youngster because he’s poor!”

“Your name is Zhu Yi? The bastard son of a marquis, suppressed by your father. Your mother was the previous saint but she was killed? Come come come, come with master, we’ll let your dad know the meaning of the world is big, fists are… no, reason is the biggest!”

- Description from Novelupdates

The alien DNA is the best thing that has ever happened to Ye Shuang because the genetic optimization it offers has made her more beautiful, more formidable, and more brilliant.

But… why doesn’t this unknown alien species have a fixed s*x before adulthood‽ Alternating between both sexes every few days, why‽ For gender equality‽ Thankfully, she still has a chance to save herself. As long as she can settle down with a partner before full genetic assimilation, she’ll be able to carry on with her life as just one specific sex. For the sake of the perfect female body, all the men out there, beware!

But wait, what are all these women up to? Why are you all looking at me like a piece of meat‽ Halt, stop, don’t come any closer… What the hell‽

- Description from Novelupdates

A biker tries to save a cat on the highway and gets hit by a truck (Truck-Kun), he was rushed to the hospital but, due to internal bleeding, he dies only to be reborn as a cat, in a new world with a system.

In this new and vast world, he tries his best to get used to his new body and get stronger along the way. With his overpowered system and skills. To one day become untouchable.