She made her entertainment debut in 2001, winning the Grand Prix award at the Popolo Girl Audition and representing
Jackie Chan talent agency. Later, on the "Yume-Ga-Oka Residence" programme on
SKY PerfecTV!, she was given Jackie Chan's photobook by
Midorikawa Shobō, who were guests on the show. She commented "I thought he was an enemy of
Bruce Lee's", apparently referring to
Enter the Dragon. In 2002, she was chosen as Miss
Shōnen Magazine. In March 2014, Nakagawa's book of autobiographical essays,
Neko no Ashiato ("Cats' Pawprints"), was published by Magazine House. In March 2015, the book was adapted as an anime series titled
Omakase Mamitasu ("Leave It to Mamitasu") on
NHK, which featured characters based on Nakagawa's cat and her late father and grandfather. In 2018, Nakagawa returned to Anime Expo to perform as part of Anisong World Matsuri. In 2019, Nakagawa performed the song with
Sachiko Kobayashi, which was used as the theme song to the theatrical film
Mewtwo Strikes Back: Evolution; it is a cover of a song originally performed by Kobayashi, which was used as the theme song to the 1998 film
Pokémon: The First Movie. In 2020 following the temporary loss of work due to
COVID-19 pandemic was a turning point, and she started distributing videos on YouTube, separate from the channel that distributes music videos set up by the office. Since then, her blog has hardly been updated. In 2021, she posted her swimsuit video on YouTube, and she became very popular with over 10 million views in two months. In October 2023, Nakagawa released the single "65535", the title song of which was used as the opening theme to the anime series
16bit Sensation: Another Layer. The following day, she announced that she legally changed her name to be the same as her stage name. In addition to announcing her pregnancy on May 5, 2025, she also announced the launch of her own agency, "miracle." She has a business partnership with Watanabe Entertainment. ==Personal life==