An Extra's Rise in an Eroge - Chapter 51: Intelligence Assessment I

The entire planet was dragged into a mysterious space known as the “Civilization Trial,” with various apocalyptic trials following one after another. The crisis began with a parasitic threat, parasitic monsters silently replacing humans, and no one knew whether their relatives, friends, or comrades-in-arms had been masquerading as monsters. As everyone was steeped in deep fear, Shen Hao stared blankly at something extra that appeared before him. [Civilization Trial Cheats Collection] Begin with a mandatory draw of a Red Mythical Talent, friend-or-foe marking map, loot box probability adjustment, points acquisition multiplied by a hundred... Monster: “Run! This civilization is cheating!!!”

The former mercenary assassin Chen Tianlong has been asked to be the bodyguard and private doctor of Lin Wushuang, a pretty lady who is still a student. Their stories in the campus begin.“What's wrong, Tianlong?”“Your daughter is not sick, it's just that her Yin Qi is too heavy. The treatment for her is quite simple, find a man with abundant Yang Qi... and let him hold her while sleeping.”“This concerns Wushuang's life and death, and I definitely trust Tianlong, so let him try.”

I fell into a game world out of nowhere with an instant kill skill.
And then somehow, I became a bigshot.

Qin Yichen returned to his youth with his memories of more than 10,000 years. Superb mental strength, advanced elixir formula, advanced martial arts.

- Description from xbiquge