Kujibiki Tokushou: Musou Hāremu ken - Chapter 221

Revisit the peak of the Olympian lore.... An eighty year old scholar who has been a fan of Greek mythology since childhood finds himself reborn as the titular ruler of the underworld, the death god Hades after a tragic death. But the gods of Olympus are very much different from what the stories say. He will have to navigate through his new life as a god and prevent a coming calamity... All while not getting caught... How does it feel to be a god in Olympus? A tale into the heart of myths.

System, “You have a sickness. Moreover, you’ll have one in every world.”

Hao Ritian, “…”

System, “What’s wrong? Is there a problem?”

Hao Ritian smiled, “No, there’s no problem. I was just a bit excited.”

System, “…”

That smile intensified the system’s feeling of ominous foreboding. It has had this premonition since it learned the name of its host. Now it only prays that this is all its imagination!

Ps: Protagonist shou 1v1, the gong is always the same person.

- Description from Novelupdates

[Forced Possession Summoning]A technique to forcibly summon a person from another world and defeat a monster sealed within them. It is a forbidden large-scale magic that mankind has devised to defeat an otherwise undefeatable dragon.

Yukihisa Kogure, a black company worker, was summoned to another world with this [Forced Possession Summoning] magic on one day overnight. The dragon, Veno Yveval, was sealed within Yukihisa’s body.

『To subjugate a powerful dragon by using the life of a person from another world? They will come at us with everything they have. Won’t you cooperate with me to survive?』

「Isn’t that an offer I cannot refuse? I do not wish to die.」

Thus, the escape of Yukihisa and the dragon, Veno, began.

An otherworld fugitive drama depicted by extraordinary storyteller Aneko Yusagi, unfolds!

“I shall kill the Ancient Golden Dragon.”[Ding! Quest Created][Objective: kill the Golden Dragon][Reward: Golden Dragon Wings, Golden Dragon Bloodline, Golden Dragon eggs][Accept Quest? Y/N)]______________________“I shall defeat the S-rank Genius, Tyrion.”[Ding! Quest Created][Objective: Defeat S-rank Genius, Tyrion][Reward: Beast Summoner(S-rank), Level up+1, Beast egg(Divine Grade)][Accept Quest? Y/N)]______________________Theon, the bastard son of the Dragan family, a family of divine generals had his Primal bone ripped from him by his grandfather and stepmother after awakening an S-rank talent.The talent was then gifted to his step brother, the legitimate heir, enhancing his talent and making him a once in a century genius.Theon was discarded, left to dead, his soul shattered to pieces by the torture.However, Theon from earth happened to transmigrate into the body at this moment, inheriting the pain, the torment and the betrayal.Accompanying him was a broken cheat system where he could set simple task or quest for himself and and complete them for heaven-defying treasures and godly comprehension._____________________“I will complete ten sets of push ups.”[Ding! Quest Created][Objective:Complete 100 sets of push up][Reward: +100 strength][Accept Quest? Y/N)]______________________“I shall Practice the Nine Godly Knife Techniques ten times.”[Ding! Quest Created][Objective: Practice the Nine Godly Knife Techniques ten times][Reward: Godly Knife Intent][Accept Quest? Y/N)]_______________________Armed with a system that grants incredible rewards, increases his strength and comprehension to the highest level, Theon embarked on his journey for vengeance, chaos and blood pumping destruction.While geniuses spend years to practice their techniques to improve by one level, Theon masters it in an hour!While other spent their lives meditating, Theon improves by leaps and bounds by simply completing self created tasks!