東 満里奈

The wife of the main character, Kenji Azuma, Marina is a mother of one. She just recently turned 30 but looks much younger. Being an "older sister" type of girl, she tends to watch after those younger than herself, which means that everyone depends on her. 

Marina is a former athlete with a very candid attitude and no major dislikes. The way she speaks is slightly masculine.

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In OL Marina no Doutei Choukyou, she find an old diary and remember the days before dating Kenji and how she fell in love with him.