Reborn Back to the Future, Why Are There Three More Yanderes?

[Yandere Adopted Sister] + [Time Travel and Rebirth] + [Time Difference] + [Reincarnated Yandere Twin Sisters] + [Supernatural] My name is Li Yan. When I was about to faint from hunger at the age of 15, I traveled through a mass grave and struggled in a world full of strangeness for three years. I finally chose to dismember myself and was eroded by the supernatural instinct I controlled and lost consciousness. In the dark bedroom, an unstoppable urge to urinate woke Li Yan up from the shabby wooden bed. … The blue light on the mobile phone screen reflected in Li Yan's narrowed eyes. He actually came to three years later in the original world? Li Yan recalled the past carefully. "Have I not been an orphan for as long as I can remember? Where did I get my parents? And a younger sister?!" … The cool autumn wind carries the rustling of leaves, and the dark clouds on the university playground can't help but feel a little sad. Li Yan felt two chills coming from behind...