转生哥布林，但母亲是白毛精灵？ (Associated Names)

Ye Yan, an orphan without a father or mother, was chosen by the assassination organization. He became a killing machine with no emotions, only knew how to kill, and obeyed the orders of "Mom". He was the chief of the assassination association. Then, because of fear of Ye Yan's talent, he was plotted against by…