The Yuzuki family, composed of four brothers, faced the loss of their parents two years ago. Hayato, the eldest sibling, bears the responsibility of a diligent worker and serves as the family's cornerstone. Mikoto, the second brother, is composed and collected, harboring a deep affection for his younger sibling Minato, whom he finds incredibly endearing.
Minato, the third brother, exudes boundless energy and holds his brothers in high regard, despite his propensity for clumsiness and social awkwardness. As for Gakuto, the youngest of the siblings, he's a studious and remarkably mature first-grader, earning him the nickname of "wise man."
This story chronicles the everyday lives of these four brothers as they navigate the complexities of family, school, and their local community.