[Prince of Tennis] No Dating Games for Brother-Con Sisters!

Orihara Karu is the youngest daughter of the Orihara family, currently attending middle school. Her older brother is a grown-up chuunibyou, and her two older sisters are clingy and have eyes only for each other. So, after being tormented by the Orihara children, everyone can't help turning their gaze to the girl: "Karu, you're the Orihara family's last hope for a normal person!" A kind black-haired doctor asks her: "Little Karu, what do you want to be when you grow up?" Karu, practicing parkour: "Huh?" Karu, confidently raising her hand: "I'm going to rule the world!" Everyone: "...Right, another chuunibyou." Theme: Study hard, improve every day, and don't date too young