Yuu Tsukisaki

The female protagonist of the series. She chose to take up Mr. Tadano’s offer to live with Mugi after her father died, because she did not want to trouble her mother’s new marriage. She is a good-natured girl who is smart and responsible. She is described as being very cute with a developed body. She is popular in school and has an easy time making friends. Unlike her sister, she chooses to come back to Onomichi to live with Mugi instead of moving to America with her mother. Although at times she has denied having any romantic interest in Mugi, she often gets jealous when Mugi is with other girls. (Wikipedia)