Quanyou 7 Xiaoguo S01E07 - 球场克情敌之无敌妙计

Mei Ya's classmate Jia Jun came to see Mei Ya's teeth. Jia Jun disdained it when he learned that Yingjun could play football. When Jia Jun was studying, Jia Jun was the school's football prince. Mei Ya keeps cheering Jia Jun. At first, Yingjun and Ah Shui lose to Jia Jun, but when Wei Wei mentions sour food, Jia Jun's teeth become sour and he loses the ball repeatedly.