Morimoto Marie is a member of Hinatazaka46's 3rd Generation.
- Hinatazaka de Aimashou (日向坂で会いましょう) (2019 - )
- Hinatazaka46 desu. Chotto Ii Desu Ka? (日向坂46です。ちょっといいですか？) (2020 - )
- Her audition SHOWROOM number was #4. Her nickname during the auditions was Roppu-chan (ロップちゃん).
- Admired members: Saito Asuka, Iwamoto Renka, Watanabe Rika, Kanemura Miku, Hamagishi Hiyori.
- Hobbies: Playing with dog, eating, watching travel videos
- Favorite foods: Beef tongue, ice cream, fruits
- Tested positive for COVID-19 on April 5, 2022