Mori's career in the entertainment industry began in her first year of elementary school, when she was recruited by the talent agency Amuse Inc.[2][3] Her earliest appearances in media included the Japanese television shows Saki in 2013, Soredemo Boku wa Kimi ga Suki in 2015, and Kūfuku Anthology in 2016.

[7] In that same year, Mori was cast as the daughter of the fictional family seen in the series of commercials released by Panasonic under the title of Fudan Premium for its home appliances.

[11] She participated in the Sakura Gakuin Festival 2018 on November 25, 2018, held at the Tokyo International Forum, and became a member of the group's sub-unit Trico Dolls.

[20] Mori and the rest of her girl group made their major label debut with Avex Trax on November 6, 2022, when their digital single "Miraizu" (未来図) was released.

[22] Her vocals as ChamJam were included on the album I Live For You (きみのために生きてる, Kimi no Tame ni Ikiteru), which was released by Pony Canyon on May 10, 2023.