Lin Zhao, a high school student, has been receiving mysterious death warning messages, which predicts that he will be killed by himself within 99 days. The mysterious person NI, who appears from nowhere claims that he can help Lin Zhao and knows everything about him, including his future. Since then, Lin Zhao's life has completely changed... Who is this mysterious man NI? Do parallel universes really exist in this world?

(Source: WebComics)