Koichi and Emi overcame their differences in social status to get married. Facing constant opposition from their hometown, the couple was driven to the brink until their childhood friend Takuma helped them move to Tokyo to start a new life together. Their current happiness is all thanks to Takuma's support. Now, Takuma has been transferred and will be moving to Tokyo himself. As their lives intertwine once more, the relationship between the three grows increasingly complicated.