Humanity Protection Company - 81 - Disease that Kills People

After being hit by a car, Oliver wakes up only to find himself reincarnated as the 4th young master in one of the most powerful clans in the world. However, just after his birth, he is declared to be useless by his mother.Devastated, he later realizes that he has been born into the world of a novel that he used to read. This world is plagued by war between exorcists and demons, where only the strong survive while the weak are devoured.In such a cruel world where death is only a mile away, he, born without talent, is expected to only suffer his whole life until he hears it...[Ding! Conditions met. Binding System has been activated.]A system that guarantees a 10x reward...[Ding! Target has awakened one of the 4 special eyes!][Obtaining 10 times the reward....][Host has awakened the...]It is not only a matter of time before he can reach the top of the world and live comfortably!

Dao Fa leads to spirits, and medical therapy leads to ghosts.

A third-rate university graduate who was supposed to run around in a mess for his livelihood, but because of an inadvertent shot to save people, whether it is extremely peaceful and rewarding for his good people, he has obtained the legendary inheritance of the mysterious arts and medical methods of the experts in the realm of self-cultivation. Another brand new and weird new world!

- Description from novelbuddy

Shen Gu, an ordinary university student who discovers that he is a “spare tire” in his social circle.With the help of a system, he gradually rises to the top of life!

Second Awakening? A System? Having lost the battle of the Dark Catastrophe to the demons—spawns of the Dark Gods— humanity is given a chance at making things right once again. Born as a twin into a family of high ranking talent awakeners, Damien Terrace is met with trouble when it is his turn to perform the ritual. After awakening the E-Rank Summoner talent, Damien loses everything to his twin. Exiled by his father to perish away from them, Damien goes through a second awakening that changes the play field for him. Ding! [The God of Summons is furious and has blessed you with a system!] [You have fused with the Mythics Summoning System—A system that only allows you to summon mythical beasts!] [Obtain nineteen Magic Essence Cores to boost your core to the next level!] [Slay 200 more demons to unlock another summon!] Damien’s only option is to evolve!