As a junior athlete, she made her breakthrough at the Asian Cross Country Championships, leading the Japanese in the individual and team events for two junior gold medals. Later that year, she placed eighth on the track in the 3000 metres at the 2012 World Junior Championships in Athletics. She was on Japan's fourth-placed junior team at the 2013 IAAF World Cross Country Championships. In 2015, she improved her track bests to 15:21.40 minutes for the 5000 m and 32:16.66 minutes for the 10,000 m.