A love story that takes place in the present day and in the past. Tamura Takuro is 27 years old and works as an art teacher at a high school. He is popular among the students. Yayoi is one of the students in his homeroom class. She spends her days without a goal in her life. Tamura Takuro recommends that she joins the art club. One day, Yayoi happens to see Tamura Takuro's sketchbook. The sketchbook contains countless sketches of a woman that Yayoi doesn't know. That woman is Yumiko. Yumiko was Tamura Takuro's Japanese language teacher and his homeroom teacher when he was a 17-year-old high school student. He loved his homeroom teacher.
金澤朋子 (Kanazawa Tomoko) is a retired Japanese pop singer. She is a former idol under Hello! Project as a member and the leader of Juice=Juice. She is also a former member of the SATOYAMA & SATOUMI movement unit ODATOMO. She first joined Hello! Project as a Hello Pro Kenshuusei member and was introduced at the Hello Pro Kenshuusei Happyoukai 2012 ~12gatsu no Nama Tamago Show!~. She graduated from Juice=Juice and Hello! Project on November 24, 2021. A few months later, on May 31, 2022, she retired from the entertainment industry.