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... see more