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Once she returned to the city where she stayed with Xiao Yunjie, Xiao Lei spent most of her time moping around.
Knowing that it would not take Murong Yu a long time before he realized he had been conned, Xiao Yunjie's boss ordered her to stay low until he could find a valid reason to call Xiao Yunjie back.
After spending the first 6 months at the city that his boss sent him to, Xiao Yunjie had reported back to let his boss know that in terms of the underground world, the city did not have any major power behind it.
Thus, after thinking for a while and since Xiao Lei had not returned from her mission yet, Xiao Yunjie's boss decided to take this opportunity to seriously expand the power of the group to the new city.
Because of the expansion, Xiao Yunjie had been busy handling the team and to weed out the small gang before they made it the new city into their headquarters.