Love Without an Ending

She, this poor girl, grew up in an orphanage. By chance, she rescued Ling Han, a girl from a rich family. From then on, her life took a turn. She went to school. Because of her natural intelligence, she could not find difficult knowledge. She had a heart disease. By chance, a boy saved her. In gratitude, she temporarily became his girlfriend for a month. During this month, she fell in love with this outstanding boy, and the boy also fell in love with her. But a girl stepped in, her name was Mu Qingyang. This girl was a little domineering and a little indulgent, but her love for him was sincere, but the boy was unmoved and still loved the girl. This made her turn her resentment into hatred, and she hated her. One day, she learned that this girl named Mu Qingyang was actually her biological sister, which put her into a conflict~~~~~