Watanabe Natsuna, born in Saitama Prefecture, is a Japanese actress managed by Toyota Office. She made her debut in the NTV school drama "Nobuta wo Produce". When she graduated from high school, she made the decision to focus her career entirely on acting. She formerly went by the name Natsuna Watanabe but shortened it to her current stage name as of November 1, 2009.
She announced her marriage to a non-celebrity man on January 16, 2021. On, September 14, 2021, her agency made the announcement that she is pregnant with her first child.
On March 1, 2022 she announced the birth of her first child, a baby girl.