C73 Yandere Hisako Is the Best at Playing

Sachiko, having developed a sense of rivalry against the twin Equinox Flowers known as Hantai Chiyo, enlisted her own sister, Hisako, to join her cause.

Pitting sisters against the Mother and Daughter Flowers was indeed a clever strategy.

Sachiko and Hisako, bearing an uncanny resemblance to Hantai Chiyo, added a significant advantage to their ploy