Kousaka Marino is a member of Sakurazaka46's 2nd Generation.
- Her audition SHOWROOM number was #35. Her nickname during the auditions was Sango-chan (さんごちゃん)
- During the SHOWROOM auditions, she wrote down "Nothing, sorry" as her special talent
- Oshimen: Morita Hikaru
- Favorite foods: Hamburger, strawberry and shaved ice
- Special skills: Hula hoop
- First Sakamichi Series member from Mie prefecture
- Is said to be "in sync" with Masumoto Kira
- Crowned the "Sense Queen" on episode 17 of Soko Magattara, Sakurazaka?
- Sakamichi Kenshusei
Sakamichi Joint Auditions - 2018
3rd Single BACKS LIVE!! - 2022