You are a raider from the 21st century who was accidentally bound to the system. You have to conquer the handsome male protagonist and the poor villain, so that they can return from their lost ways and fall in love with you.
You wash your underwear with a cold face, you go bankrupt to help them when they are living in poverty, you accompany them silently when they are hurt by love, and after all the hardships, they finally see you in their eyes.
But something unexpected happened. The heroine suddenly had a new brain overnight and said to them: I need you.
So you were stabbed through by them.
Who am I, you ask?
I am a vicious supporting actress trapped in the assembly line.
Wrong.
Now I'm not a vicious supporting actress.
He is a raider from another world.
Killed female supporting partner x innocent modern time travel man