Please say "I don't love you" [System]

This is a story about a guy who can only be the spirit behind the scenes, shuttles between worlds and abuses all kinds of scum.Shu Mu: "Oh! How unlucky labor and management are, to be selected by this broken system to do a task just because of a sentence 'I don't love you anymore'!" Cong Ge: "Isn't that bad?" Shu Mu Silently said, it's not bad, it's very bad.Whose system have you seen come because of this? Whose tasks have you seen that are so cheating?The most important thing is, whose protagonist actually does the task in the form of a ghost!Perhaps the only consolation is that he has a system that should be cute, cute, and stupid————————————————————— Lightning rod: 1. The protagonist is sometimes serious but not a Too deep and serious. 2. This article has CP, 1VS1 and the protagonist is Gong. 3. This is the author's first novel, and the writing style is inevitably lacking. I will try my best to improve myself, and please forgive me, cute girls, and bow deeply!Content tags: System fast travel through time and space┃Search keywords: Protagonist: Shu Mu┃ Supporting role: Cong Ge, the protagonists of each world