Terra Succubus Development System, but calm office workers

[Host, we must use love to save the beautiful girl! Change the tragic ending of the original! Harvest sweet love! Do something big! Go!]
"No."
My name is Yu Yachen, I am 23 years old, live in the urban area of ​​Longmen, and am an ordinary office worker.
Although there was something called the [Succubus Training Simulator] that was bothering me, I didn't perform any of the so-called [simulations].
Because the system determined that I was very similar to a guy named Kira Yoshikage, I gained a stand ability called [Killer Queen], which magnified my inner desires.
Fortunately, although sometimes I would turn into a perverted murderer because of desire, I was able to escape danger every time and dispel the police's suspicion.
[Host! Forget about the Succubus training we promised you. This system is now issuing the ultimate mission for you! Complete one simulation to receive a Platinum Star! Complete five simulations to receive a Miracle!]
[Release Mission: Save the Fall of the Integration Movement]
"The reward is quite generous, so I'll take it."
After performing a series of heroic rescues in the simulation, Yu Yachen was about to open the door to go out to work when he suddenly noticed a group of beautiful girls surrounding his door.
"Wait, why are you here?"