柚木さんちの四兄弟。

In the bustling Yuzuki household, four orphaned brothers navigate life together, leaning on each other through laughter and tears. Hayato, the eldest at 23, is the steadfast pillar of the family, juggling his role as a teacher with caring for his younger siblings. Mikoto, 13, is cool-headed and fiercely protective of his brothers, while Minato, 12, is energetic and prone to trouble but deeply caring. Gakuto, the youngest at 7, is wise beyond his years, often surprising his brothers with his insight. From schoolyard antics to family milestones, their days are filled with heartwarming moments and challenges that test their bond.