Tateishi Toshiki

 (立石俊樹), also known under his stage name TOSHIKI, is a former member of IVVY. He graduated from the group on December 29, 2021.

Profile

 * Position within IVVY: Vocal
 * He is called "Prince".
 * He passed the audition for a special student at a major firm while working hard as a firefighter for the Tokyo Fire Department for about two years.
 * He also acts in musicals, dramas and movies.
 * He is also working as model
 * He is a former student of EXPG Tokyo.