|Current Age||17 years old|
|Idol Career Info|
|Debuted||November, 2015 / 1st Generation|
- She joined the group on November 30, 2015, as the first member of Kana Keyakizaka46. The announcement was made on Keyakitte, Kakenai?.
- She was unable to participate in the final auditions of Keyakizaka46
- She was sent back home by her mother on her way to Tokyo. Later on, her father talked to Keyakizaka46's staff, that made an exception to let Nagahama enter the group.