Yamakita Saki (山北早紀) is a member of the Japanese idol group i☆Ris. She's the leader of the group. Her color in i☆Ris is green.
- Name: Yamakita Saki (山北早紀)
- Nickname: Sakisama
- Birthday: February 28, 1991
- Birthplace: Hokkaido, Japan
- Hobby: twirling and cooking
- Height: 163cm
- Her favorite anime is Pokemon.
- Best physical feature: soft cheeks.
- Dream: to be a person who can make you smile and give you hope.