Wu Yumin indeed didn't show Su Ming any kindness.
After leaving the office, he didn't bother with Su Ming anymore, only occasionally casting a scrutinizing glance his way, with an indescribable look in his eyes—provocative, contemptuous, or perhaps a hint of some obscure pleasure.
Su Ming pretended not to notice and followed Tian Jing to familiarize himself with the receiving process.
The Receiving Group's office wasn't big, but there was plenty of work. Tian Jing brought him a chair, letting him sit beside her while she handled the paperwork and explained things to him.