Nakamura made her debut in the Continental Cup in Otepää, Estonia in January 2019 , which was also her first international appearance. With places 10 and 7, she ran straight into the top ranks. A few weeks later, she competed in the first ever competition for women at the Nordic Junior World Ski Championships 2019 in Lahti . She won the bronze medal behind Ayane Miyazaki and Gyda Westvold Hansen . In addition, she won her first national medal at the Japanese championships in Hakuba at the end of February .
In the winter of 2019/20 , Nakamura did not start the winter in Eisenerz until the end of February 2020 . Against a strong field of participants, she prevailed in the mass start against Tara Geraghty-Moats and Lisa Hirner and thus celebrated her first Continental Cup victory. In addition, she was part of the Japanese mixed team, which finished the first mixed team competition in the Continental Cup in third place. The next day, she also ran the Gundersen method in third place with the best running time . At the Nordic Junior World Ski Championships in 2020 a week and a half later in Oberwiesenthal , she finished ninth before winning the bronze medal in the mixed team competition together with Daimatsu Takehana , Ayane Miyazaki and Kodai Kimura .