Ever since Dong Xiaoyan learned the secret that "writing a letter and placing it on the windowsill could enable communication," he turned into a letter-writing maniac, churning out several letters a day.
The Spirit Trees, unaware of any selection process, would transport any letter found on the windowsill immediately.
Feng Yin naturally found himself caught up in a different kind of busyness—cultivating and reading letters.
Oh, and also being on the lookout to avoid being discovered.
This is simply...
Never heard of, never seen before, a person serving time in jail like this.
Not to mention the progress in cultivation, all the resources were provided by the enemy.
He could leave at any moment and hadn't lost touch with the outside world.
He truly achieved a state of planning and manipulating the great devil right in the palm of his hand.
But the most awesome part was, dating was still one of the daily main events.