Nana Seino was born on October 14, 1994, from Aichi Prefecture. Blood type B. Belongs to Top Coat. In 2007, she won the Grand Prix Penties Award at the 15th Pichimo Audition and worked as an exclusive model for the magazine Pichi Lemon. After graduating, she was selected as the heroine of the movie TOKYO TRIBE, which was released in 2014. She has appeared in the movies The Girl Who Fought in Another World (2014), Tokyo Stateless Girl (2015), the drama Totto-chan! (2017), the drama Today, It’s My Turn!! (2018), the NHK morning drama Half, Blue (2018), the drama Yasuragi no Toki – Michi (2019), and the drama In a World Where It’s Neither Black nor White, a Panda Smiles. (2020), the film Whisper of the Heart (2020), the drama I Just Stamped a Stamp on the Marriage Registration (2121), the film A Certain Man (2121), the film The Transfer Order is for the Music Corps! (222), and the drama Sunday Nights… (2323). She won the Best Supporting Actress award at the 65th Blue Ribbon Awards for her role in the film Kingdom 2: To the Faraway Land, which was released in 2022. In June 2020, she announced her marriage to actor Toma Ikuta. In March 2022, she gave birth.