A Scumbag to the Very End [Quick Transmigration]

Ji Xiao, a man terrified of cats, signs a contract with a mysterious black cat system without much thought.

Only after starting his missions does he realize just how absurd the tasks truly are:

Carry out the original host’s scummy behavior to the very end, while maintaining a loving relationship with the protagonist and growing old together.

…Seriously?

Wait, what do you mean I wasn’t scummy enough?

I followed the original host’s personality perfectly!

What? The mission’s already complete, and you still have complaints?

The black cat system: “……”