She is represented by the talent agency Amuse Inc. and has been a member of three musical groups formed by the company: Karen Girl's, Sakura Gakuin, and Babymetal.

She studied with another future Sakura Gakuin member, Mariri Sugimoto [ja], with whom she had been acquainted before attending the school.

[5] She also had a rivalry with Riho Sayashi, future Morning Musume member and Babymetal support dancer, as they were considered the school's top two students at the time.

In March 2009, Nakamoto was cast in a musical stage adaptation of the 1972 Japanese novel The Adventurers: Gamba and His Fifteen Companions (冒険者たち ガンバと15ひきの仲間, Bōkenshatachi: Ganba to 15-hiki no Nakama) by Atsuo Saitō.

[16] In October 2022, with the release of the single "Divine Attack (Shingeki)", Nakamoto was credited for the first time as a lyricist on a song by Babymetal.