I've totally forgotten the title of a danmei I read a while back, please help! It's a danmei/BL c-novel that features world-hopping through modern worlds, where the protagonist binds with a system that aims to break up the toxic relationships the original body had with a scum gong. The male lead/love interest is revealed to be the system itself. The system had a mysterious past where he had some sort of relationship with the MC, but his memories were erased. Together they investigate the mysterious past of the systems themselves. I do not believe either of the main CP are yandere, but I could be wrong. It was quite a long length. It's not Holding Onto My Man, or Quickly wear the Face Of the Devil. Please help!