Series by 藤沢志月

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.

Rui, a high school girl with a practical mindset, values stability and dislikes inefficiency, approaching life with a clear, no-nonsense attitude. Her routine is disrupted when Sho Fujinami, the school’s most popular boy, forcibly recruits her into his quirky “After-School Play Hard Club.” The club’s carefree activities clash with Rui’s structured outlook, leading to unexpected challenges and interactions. As Rui navigates this new dynamic, she begins to notice Sho’s unique charm and the vibrant energy of the club members. Set in a lively school environment, their encounters spark moments of personal growth and budding connections.

Sorata is a high school boy living in the household of the wealthy Seiwa family. He grew up beside Anna, the family's sheltered daughter, after losing his parents as a child. Anna is lively, innocent, and expected to inherit the family through an arranged future. Sorata understands the difference in their positions and hides his feelings for her. Their rural town and shared home frame a quiet romance shaped by status and restraint.

Kai Ichinose, a popular and carefree high school student known for his charm, has never experienced true love. His life changes when he reconnects with Riko Takanashi, a feisty childhood friend who recently moved back to town. Kai notices Riko’s softer side, sparking unfamiliar feelings that he begins to recognize as his first love. Their interactions, filled with playful bickering and growing affection, stir tension and excitement in their social circle. As Kai grapples with these new emotions, he faces challenges in understanding Riko’s own feelings and navigating their complicated bond.