C2014 A tease from Yi Xitabu.

The letter read: Signal sent over. Next time, in a month, I will pick a target and proceed as scheduled.

The letter was still signed: Leonardo Piero da Vinci.

The letter did not mention who the recipient was, but Xia Lei knew that the recipient was Ixtab.

"The servant delivered the letter, and since there is no recipient here and no address