美勇伝 (v-u-den; alternatively Biyuuden, viyuden, etc) was a Hello! Project unit, a Japanese pop group formed in August 2004. The group was lead by Morning Musume member Rika Ishikawa (石川梨華), as a new project to focus on after her Morning Musume graduation. She was joined by Hello! Project Egg Yui Okada (岡田唯) and audition winner Erika Miyoshi (三好絵梨香).