
Nao Kosaka
Biography
Nao Kosaka is a Japanese singer, model, actress and member of the female Japanese idol group Hinatazaka46. She is an exclusive model for the female fashion magazine Seventeen. On August 13, 2017, Kosaka passed the auditions for new members of Keyakizaka46's subgroup Hiragana Keyakizaka46 and entered the group as the second generation. She made her debut in the song "No War in the Future", a B-side to "Kaze ni Fukarete mo". On May 19, 2018, Kosaka made her runway debut at the GirlsAward 2018 SPRING/SUMMER show. On May 21, 2018, Seventeen announced that she will be one of the magazine's exclusive model. After Hiragana Keyakizaka46 was renamed to Hinatazaka46 in February 2019, Kosaka was selected to hold the center position in their debut single, "Kyun". She continued to hold the position for every single released by the group since. Kosaka was casted as the main character in the 2019 mystery film Japanese Doll of Terror (恐怖人形, Kyōfu Ningyō). She is also slated to appear in Hinomaru Soul, an upcoming film about ski jumping at the 1998 Winter Olympics, in which her character is based on retired ski jumper Yoshiko Yoshiizumi. In April 2021, Kosaka announced that her solo photobook, produced by the Seventeen magazine editorial staff, would be released on June 29. She would be the third Hinatazaka46 member to release a solo photobook, after Miho Watanabe and Kyōko Saitō. As a dinosaur enthusiast, she was also appointed the ambassador for Sony's DinoScience exhibition, which would be held from July to September. Kosaka played volleyball in middle school and occasionally demonstrates her skill in her appearances. She has an older brother who is a Keyakizaka46 fan. Kosaka's main interests include dinosaurs and reptiles. She also enjoys comedy shows and named Kazuya Kojima of Unjash and Audrey as her favorite comedians.
Also Known As
Movie Appearances

Hope and Despair: Those Tears that Nobody Knows of
as Herself
2022

Hinatazaka46 Storytellers
as Herself
2020

Hinatazaka46 3rd Single Release Commemorative One-Man Live
as Herself
2019

Watanabe Miho Graduation Ceremony
as Herself
2022

HINAKURI 2019 ~Seventeen Santa Clauses and Christmas in the Sky~
2019

HINATAZAKA46 Live Online,YES!with YOU!
2020

Hinatazaka46 Debut Countdown Live!!
2019

W-KEYAKI FES. 2022 「Hinatazaka46」
as Herself
2022

4th Year Memorial Live
2023

Spring Unit Festival
as Herself
2021

Hinatazaka46's Happy Train Tour 2023 in Osaka Castle Hall
as Herself
2023

MEMORIAL LIVE: 2nd Hinatansai
as Herself
2021

Hiragana Christmas 2018
as Self
2018

HINAKURI 2022
as Herself
2022

Third Year Debut: The Documentary of Hinatazaka46
as Herself
2020

The Japanese Doll
as Yuri Hirai
2019

JUMP!!:The Heroes Behind the GOLD
as Noriko Kobayashi
2021

Ayumi
2018

6th Year Memorial Live
as Herself
2025

日向坂46 6回目のひな誕祭
TBA
TV Appearances

Let's Meet at Hinatazaka
2019

Hiragana Oshi
as Nao Kosaka
2018

Dasada
as Sada Yuria
2020

Let's Meet at Hinatazaka
as Nao Kosaka
2019

HINABINGO!
as Nao Kosaka
2019

This is Hinatazaka46. Can I have a minute?
as Nao Kosaka
2020

セルフ Documentary of 日向坂46
as Nao Kosaka
2019

This is Hinatazaka46. Can I have a minute?
2020

Let's Meet at Hinatazaka
as Kosaka Nao
2019

大好き!日向坂46!!
2020

Strobe Edge
as Sayuri Uehara
2025