[1] Tsunematsu made her official acting debut as a child in a tidbit part in the 2005 television drama Ruri's Island.

While she originally participated in the auditions for the female lead role of Junko Sakuraba, the part was ultimately given to Satomi Ishihara.

Despite this, Tsunematsu was cast as the main lead's younger sister, Nene Sakuraba, marking her first regular role in a television drama.

[5] In September, Tsunematsu was confirmed to star in the live-action film adaptation of the light novel Sagrada Reset as Eri Oka.

[13] In 2021, Tsunematsu joined the cast of the second season of the Netflix original drama, The Naked Director, taking on the role of the new heroine.