A young salaryman finds a teenage girl sitting under a lamp post on his way home. She offers to sleep with him in exchange for a place to stay. He turns her down, but gives her a place to stay anyway. Their strange life together begins…

Gotou demands to be taken to see Sayu. Is she trying to get a love rival out of the picture, or is she after something else?

Sayu's brother has tracked her down, and she realizes it's only a matter of time before she has to go home. She's forced to reflect; what did she learn since she ran away, and what will she take home with her?

Yoshida follows Sayu back to Hokkaido, as she begins to face her past and come to terms with her future.