The group was founded in November 1998, consisting of three Morning Musume members: Aya Ishiguro, Kaori Iida, and Mari Yaguchi.
After the formation, the group immediately released their first single, "Last Kiss," which was used on the anime Sorcerous Stabber Orphen.
Kaori Iida, Mari Yaguchi, and Ai Kago graduated from the group and were replaced by Morning Musume 5th Generation members Asami Konno and Risa Niigaki, with Ayumi Shibata of Melon Kinenbi.
Project as part of the Elder Club graduation concert in early 2009, rendering the group completely inactive.
Project's compilation albums Champloo 1: Happy Marriage Song Cover Shū and Petit Best 10.