北斗晶
In 1989, Nagayo reached age 26, the mandatory retirement age for female wrestlers in AJW at the time. Nagayo claimed to be getting married, however later admitted that it was a lie. Nagayo retired at WrestleMarine Piad '89 on May 6, 1989. In Nagayo's retirement match, she teamed with Lioness Asuka against Mitsuko Nishiwaki and Akira Hokuto. However, four impromptu exhibition matches followed including the final Crush Girls vs Jumping Bomb Angels match and one final match between Nagayo and Asuka.