Toshiyasu Ohmiya

A psychological thriller of a grieving mother turned cold-blooded avenger with a twisty master plan to pay back those who were responsible for her daughter's death.

Akari Yoshiyama is graduating high school soon and is expected to lead new life after she passes the university entrance exam, while her mother is working as a pharmacologist. However, her mother has a car accident and the situation is totally changed. She decides to go to 1972 to fullfil her mother's wish.