In anime shows, she voiced Yoshino Himekawa in Date A Live, Nymph in Heaven's Lost Property, Rinko Kuzaki in Omamori Himari, Haruna in Is This a Zombie?, Mirai Andou in A Dark Rabbit Has Seven Lives, Inaho Kushiya in Maken-ki!, Fuyumi Yanagi in Blood Lad, and Funco in Upotte!!.
Nomizu started her acting career portraying Moe Kagami in the Fuji TV live-action drama series Densha Otoko that was broadcast in July 2005.
In 2011, Nomizu performed the opening theme song "Ma ka se te Tonight" for the anime television adaptation of Is This a Zombie?.
In 2012, she formed a voice actor unit sweet ARMS with Misuzu Togashi, Kaori Sadohara, and Misato who co-starred in Upotte!!.
[1] In April 2015, she appeared in “The Queen of Hanikami Noi Izumi's Shy I'm Sorry”, which became the first regular voice actor program at Anime Theater X (AT-X).