My sister and I went to the same university, but at different levels. She was a sophomore and I was a freshman. We met often. Either she was looking for me or I was looking for her. But a man broke into our sisters' world. I didn't expect that it was my sister's boyfriend who was the boy I had a crush on in junior high school. I had never forgotten him. I never expected that the girl he liked was not my sister, but a girl from junior high school. She was... At the birthday party Lu Chenglin confessed to Chu Lu, but thought of his sister and refused. He dragged Chu Lu to the room and tried to seduce her, but he didn't expect Chu Lu to carry a knife and stab Lu Chenglin in the chest. Because of this, Chu Lu lost his memory and had no memory at all... His sister felt very guilty because of this and wanted his sister to regain her memory. Lu Chenglin also said that the girl he liked was Lu, and everyone was surprised... Will Chu Lu's memory be restored? ? ? What will happen to the three people? What will happen next?