[3][4][5][6][7] Hanako graduated from Horikoshi High School.
[4] She is previously represented with Tristone Entertainment Inc. Hanako's mother is Yumi Takigawa, who is also an actress, and her father was Shinsuke Achiha, former president of Actors Promotion.
[b] On 11 January 2011, Hanako officially married with actor Masaki Nishina after dating for a year.
[10][11] On 7 August 2023, Hanako remarried to a general man.
[13] On 18 March 2024, she announced that she gave birth to a baby girl.