[1] Also known by her nickname Shokotan (しょこたん), she is best known as the presenter of Pokémon Sunday, and as the performer of the opening theme from the anime Gurren Lagann.

"[4] In the 2006 book Shokotan Manual (しょこ☆まにゅ, Shoko Manyu), she wrote that her legal name was Shiyōko (しようこ) rather than Shōko (しょうこ), which she had been using for most of her life.

[5] She made her entertainment debut in 2001, winning the Grand Prix award at the Popolo Girl Audition[6] 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.

On February 2, 2008, the daily Japanese newspaper Mainichi Shimbun reported that her blog had been accessed 1 billion times.

On the Fuji TV show Kangaeru Hitokoma, on which she is an occasional guest, she drew in the style of Kazuo Umezu.

[7][8] In March 2014, Nakagawa's book of autobiographical essays, Neko no Ashiato ("Cats' Pawprints"), was published by Magazine House.

[14] 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.