森戸知沙希 (Morito Chisaki) is a Japanese pop singer and dancer. She is a former idol under Hello! Project as a former 14th generation member of Morning Musume.. Before joining Morning Musume in June 2017, she was a member of Country Girls since the group's revival on November 5, 2014 up until the group suspended activities on December 26, 2019. Prior to joining Hello! Project, she was a member of the local idol group CoCoRo Gakuen. She graduated from Morning Musume. and Hello! Project on June 20, 2022 in order to study abroad.