Hyakkaou Private Academy. An institution for the privileged with a very peculiar curriculum. You see, when you're the sons and daughters of the wealthiest of the wealthy, it's not athletic prowess or book smarts that keep you ahead. It's reading your opponent, the art of the deal. What better way to hone those skills than with a rigorous curriculum of gambling? At Hyakkaou Private Academy, the winners live like kings, and the losers are put through the wringer. But when Yumeko Jabami enrols, she's gonna teach these kids what a high roller really looks like!
A young girl is raised in a dysfunctional family constantly on the run from the FBI. Living in poverty, she comes of age guided by her drunkard, ingenious father who distracts her with magical stories to keep her mind off the family's dire state, and her selfish, nonconformist mother who has no intention of raising a family, along with her younger brother and sister, and her other older sister. Together, they fend for each other as they mature in an unorthodox journey that is their family life.
Widower Shuhei Hirayama's caretaker is his 24-year-old daughter, Michiko. Gradually, he comes to realize that Michiko should not be obliged to look after him for the rest of his life, so he arranges a marriage for her.