O marido de Mizuki, Yusuke, se afogou no mar há três anos. Quando de repente ele volta para casa, ela não fica muito surpresa. Em vez disso, Mizuki se pergunta o que o fez demorar tanto tempo. Ela concorda partir em uma jornada guiada por Yusuke.
Shimada has been failing auditions one after another and worked as an extra in films. One day, his senior colleague invites him to audition for a company called "Friendship," where actors pretend to be the person the customer wants them to be. Accepting the job, he encounters a customer, Mio, who is planning terrorism.
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.
