Tatematsu Minoru, a yakuza belonging to the Ishikawa group that runs the Shinjuku area, has a beautiful sister named Akane. He dreams of sending her to college and turning her into a perfect young lady. He's extremely fond of Akane. His fondness for her goes beyond how he feels about his mistress, Kanae. And yet, Akane feels alone. Now, a new tutor comes into her life that seems to have taken a liking to her...
The eldest daughter of a rural family Mon returns home from Tokyo pregnant after an affair with a college student Kobata, which causes a scandal that will threaten the marriage prospects of the younger sister San, in her cash-strapped family. The ill-tempered eldest brother Inokichi decides to take on the role of disciplinarian, with harrowing results.
