childhood friend's mother

The relationship between the Ohashi family (mother Hitomi, daughter Rika) and the Katagiri family (father Takeshi and son Shinpei), who have lived next door to each other since childhood, is about to end when the Katagiri family leaves for America. There's only one week left until departure, and since the Katagiri family is preparing to move and have nowhere else to go, Shinpei ends up living with the Ohashi family, but Hitomi treats Shinpei like her son, and Shinpei's feelings of motherhood and admiration grow stronger each day as the farewell approaches. And on the eve of my departure, I finally told her my feelings...