After a long pause, he spoke softly, "Alright, I agree.",Then he handed it to Gu Jingyan, opened his phone and started recording, "There's no proof without evidence. Sign here, I'm going to record this as proof, so you can't deny it later!",He lowered his head to glance at the base of his right thumb, where a faint touch of red lipstick lingered, like an ambiguous mark.。