Not childhood sweethearts, nor happy enemies. It's just that he bullied me in the most innocent years of my life.
However, I later learned that Yin Rongqi was actually bullying her and ruthless towards others. So it seems that he is quite kind to her.
Qin Qing has a gentle temper, but he only tolerates it when it comes to Yin Rongqi. In fact, he left his hometown and traveled thousands of miles away just because he wanted to be closer to you in the future.