Kenji Yamamoto's father died from using a stimulant drug. His life fell into desperation. Kenji then joined a crime syndicate. There, he meets the gang's boss Hiroshi Shibasaki. Hiroshi reaches out to Kenji and they developed a relationship like father and son. As time passes, Kenji has his own family.

Minori is a pretty girl. She is fed up with people who care only about her appearance and themselves. She is always straight forward and angry at everyone. She is also angry at herself who cannot really change anything