Fortunately, I Met You - Chapter 2: Mr. Lu

After accidentally falling, she actually finds herself bound to a Second Female Lead Counter Attacking System!

Kiyoshiro Takeda lived a life without purpose, drifting through his days with no direction. But one fateful moment changes everything. Now, he finds himself in a world unlike any he has ever known, given a role he never asked for. A new life, an unknown destiny, and a looming catastrophe that only he can prevent. But can someone who failed in his old life truly become the last hope?

Akira, was born in the slum and wishes to get out but the only way he could was to risk his life in these ruins as a hunter.