Seemingly bright but not dark

The beauty rescued the hero, and he was entangled by the hero since then...Repeaters are a special group of students. Because of dissatisfaction with a failure, they picked up the incomplete weapon for the next battle...Because of their parents' marriage change Zhao Miao, who was half-orphan, made money by fighting. In a 1v3 sparring, he met Gu Sheng.What Zhao Miao didn't expect was that this Gu Sheng was still his senior class teacher... a pair of happy friends who rescued each other and hated each other.The perspective is uncertain, depending on the development of the plot.Gentle scum, pretty teacher vs. arrogant and domineering cool student insists on 1v1 unshakable