Each person's experience with youth is unique, and two girls in particular have a very different view: the most powerful junior and cutest troublemaker Iroha Isshiki, and everyone's little sister Komachi Hikigaya. Will the two eccentric younger heroines provide a breath of fresh air to the Service Club, or is the club's future in peril? Get ready for a changing of the guard! This volume contains short stories not included in the collected volumes, as well as a totally new story!!