C103 I like It a Lot

The three of them took the blue and white porcelain vases and left. Before leaving, Qin Yuchen had set up the security system in an irreversible mode. Even if someone broke in, as long as it was a change in the lighting frequency, Qin Yuchen would immediately know and everyone would be trapped inside.

Qin Yuchen thought he was invincible and was very confident