C77 Deliberately Trying to Mess with Her?

"For a strategy like yours, you can't finish it within three hours!" Xi Tianhao's voice suddenly came from behind.

"Ah …" Tong Sining couldn't help but scream and jumped up from the chair. She saw Xi Tianhao standing behind her and was as surprised as if he was a ghost, "You …" Why are you here? "

Xi Tianhao couldn't help but laugh when he saw her expression