C37 You are responsible to me

"You look troubled."

The System's voice appeared in his mind at an inopportune moment.

"Do I need to exchange?"

Guo Zhenyu pursed his lips, he didn't seem to have any other choice.

He browsed through the transportation's exchange items. Currently, the lowest grade unlocked was all kinds of motorcycles, followed by all kinds of sports cars.

But this thing was too ostentatious