Forward Jun Endo signed to Angel City Football Club (ACFC) on December 20, 2021, from Nippon TV Tokyo Verdy Beleza of the Japanese Nadeshiko League. In 2019, she she won the Asia Football Confederation's Women's Club Championship with Tokyo Verdy Beleza.
Endo was selected to the senior Japan national team for the 2019 SheBelieves Cup and played against the United States for the first time on February 27. In 2018, Endo was selected for the Japan U-20 national team and played in six matches at the U-20 World Cup, scoring two goals with Team Japan en route to a championship victory. In 2016, she was selected to the Japan U-17 national team at the U-17 World Cup and played in four matches while scoring three goals in Japan’s second-place finish.