What is the relationship between Qin and Qu Yuan?

In the relationship between rival in love, Qiu Bazi adores and Qu Yuan adores. Finally, Chu Huaiwang chose Qu Yuan. Qiu Bazi was heartbroken and married Qin, while Hehe sang poetry and had fun all day. But after all, I still have feelings for Empress Xuan. The longer the interval, the stronger the yearning, so he gradually ignored Qu Yuan. Until one day, King Huiwen of Qin collapsed and went to visit Xuan Di in the State of Qin. He was calculated and eventually died in the State of Qin. Qu Yuan was so sad that he threw himself into the river.