High School Family: Kokosei Kazoku #2

Plot

Despite being only eight years old, Haruka is just as grown-up as her teenage classmates—and she wants them to know it! The whole family faces exam stress, but naturally, only genius Haruka has it easy… Then, when Kotaro, Ichiro, and Shizuka get their academics in order, they reach for their next high school milestone—club sports!