The player plays the role of a high school male student. In the winter vacation of the last school year (from 22 December to 7 January), he has to choose one girl to be his girl-friend. There are 15 choices for him, some are his classmates and some have to be met in the city. The player has to meet the girls and make friend with one of them until the relation develops to a point that the girl is willing to become his girl-friend. The default name of the main character is Ryunosuke, this name can be changed to any name the player likes.