Perdido depois de desistir de se tornar um matemático, Gaku recebe um convite do famoso chef Kai para trabalhar em seu restaurante e descobrir um mundo totalmente novo.

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.