Kazuko Yoshiyama is a third-year junior-high-school student. One day, while cleaning the lab, she smells lavender and faints. From then on, she has the power to travel through time.

Kazuko Yoshiyama is a third-year junior-high-school student. One day, while cleaning the lab, she smells lavender and faints. From then on, she has the power to travel through time.