For years after his graduation, Kyoya's father has misused and abused him. When things reach the point of intolerable, Kyoya vanishes.
Haruhi needs a date for a work function, but history leaves her with few options.
Haruhi is graduating from high school and Kyoya has a confession to make (it's not what you think).
All of the Host Club members are now part of the Hinan family (or at least will be after Kyoya and Haruhi's wedding). Is the family complete? Or are there more members to be added? The Host Club grows up and faces the many changes in life.