Seven families are aboard a bus towards a field camp for their vacation. At this camp, it becomes clear that this is not a common trip. The parents are of the kind that abused their children or were visited by children's services, and at the camp they are offered to sell their children for a large sum of money, because there were customers that needed healthy internal organs.

The Story of the 1 Litre of Tears special takes place after the events in the main drama. The Special takes the view of Asou Haruto who is remembering life the way it used to be before the events of the last episode of the series.

Jun, the ace in his swimming team, lost against his rival, Naoki, at the summer college tournament. But since then there is a special feeling between them...

Spring Days