Global Ghost Control: Opening Contract with Bai Wuchang

[Single male protagonist + no female protagonist + semi-cool story + protagonist cannot show up at the beginning + fantasy + ghost control + no virgin + system] This is a world where ghosts can be contracted all over the world. Although the protagonist Su Xiaotian has awakened an S-level talent [Ghost Affinity from the Underworld], from today's perspective, this talent is worse than trash. This is because during the Liaodong Campaign, many ghosts from the underworld returned to the underworld, leaving only a handful. When he was decadent, Mengniu University selected him, and he also had a golden finger...