Love you till my heart stops

He is the only one in the world with a body of pure yang, containing yang poison, which can only be resolved by uniting with the only pure yin body in the world. A car accident led him to meet the only girl with a pure yin body. Initially, he wanted to quickly unite with the girl to remove the poison from his body, but as he spent more time with her, he gradually fell in love with her. However, the real trouble came when he realized that if he united with the girl, the yin and yang would repel each other, and the girl would face the risk of life-threatening danger...