Little Did I Know That the Little Sister I Picked up Would Become Sicker and Sicker the More I Raised Her.

[Childhood sweetheart + yandere + ultimate control + single female protagonist + running in both directions + no system, no golden fingers + cure] When Jiang Muyang opened his eyes, he was transported back to the time when he was eight years old. In his previous life, he was a famous entrepreneur, but was assassinated by his childhood sweetheart. He could only watch his company being cannibalized and murdered by others. But this time, he met her again, a girl who had made him extremely regretful. It was winter and the day was very cold. A girl was hiding in a cardboard box. The cold wind made her shiver all over. Her father abandoned her mother. In order to retaliate against this heartless man, she pointed all the fingers at her thin daughter, abused her, vented her anger on her, and drank to live her life. As a young girl, she couldn't resist and could only run away, but there was no place to stay. She fantasizes about someone saving her and taking her home Her ill-fated fate seemed to move God. This time she met Jiang Muyang again, a strange little boy. The same event at different times produced different endings. She was brought home by Jiang Muyang, who became her brother and took great care of her. Under his care, the girl's mentality changed and her psychology gradually became distorted. She wanted more, and she was unwilling to give in. "My brother can only belong to me!" She kept testing, getting more and more excessive, and wanted more and more to tie him up and lock him up so that he could only belong to her forever. "Brother, don't look at other girls" "Brother, stay with me~" "Brother, I'm hungry~" "Brother, I miss you, come and stay with me when~" "Brother~, brother..." Jiang Muyang had nothing to do about it. He could only say that he loved his sister by himself and raised his own sister by himself.