Niinaga Seira

 (新永彩桜) is a Japanese idol, a former 1st generation member of Zero Project, and a former founding member of Z5-C3. She graduated from the group on November 7, 2021.

Profile

 * Registration Number: 1111
 * Registration Date: July 1, 2021
 * Hobbies: Visiting cafes
 * Special Skills: Impersonating a McDonald's waitress
 *  Dominant Hand: Right
 * Favorite Color: Pink
 * Favorite Idol: Cinderella Sengen!, Non¬Fiction, and Yakousei Amuse
 * Charm Point: Nose