In October of the same year, she appeared at her first ISU Junior Grand Prix (JGP) event, placing 9th in Zagreb, Croatia.

In February 2017, she placed 21st at the Four Continents Championships in Gangneung, South Korea, and 6th at the Asian Winter Games in Sapporo, Japan.

[6] Yu began her season by becoming the first female figure skater to win a gold medal at the Southeast Asian Games.

[7] In September 2017, Yu competed in Oberstdorf, Germany, at the 2017 CS Nebelhorn Trophy, the final qualifying opportunity for the 2018 Winter Olympics.

She also described what she witnessed while working as a coach in Beijing: "I saw one junior skater get hit and dragged off the ice, while another was pressured into competing on two torn ligaments, which left them needing surgery afterwards.