Project, she achieved early fame as Amulet Heart in Shugo Chara Egg!
Maeda received free dance and vocal training alongside the other Eggs.
On August 22, Tomoiki participated volunteered at PLANT A TREE farm and herb garden in Yamanashiken.
In September, Maeda performed "Minna no ki" with Tomoiki at Morning Musume's environmental Culture Festival 2006.
In April 2007 Maeda received a role in the musical Soto wa shiroi haru no kumo that was later released on DVD.
Maeda appeared as a part of Tomoiki at Morning Musume's environmental Culture Festival 2007.
Project singers such as Morning Musume's Ai Takahashi and Reina Tanaka, The group was created to promote Morning Musume's upcoming rendition of Rodgers and Hammerstein's Cinderella, titled Cinderella the Musical.
Pro Egg unit alongside Wada Ayaka, Fukuda Kanon and Saho Akari.
The members listed were Maeda Yuuka, Fukuda Kanon, Ogawa Saki, and Wada Ayaka.
Project Spring Concert, They released their first major single titled 夢見る15歳 (Yume Miru sai) on 2010-05-26, Yuuka, Kanon and Ayaka are cast as the main characters of Hime Chen!