Aizawa Yuuichi had frequently visited his cousin in the city as a youngster, but something severe happened that kept him away for seven long years. Now that Yuuichi has returned, his recollections of those days have faded. As Yuuichi settles into the wintry town, he meets various young females, all of whom are tied to his history. As he befriends them and interacts with them, long-forgotten childhood memories begin to return...