Marika Ito

Yukari is an ordinary high school student. One day, she sees a mysterious "F" marking on the nameplate of an apartment. Since then, misfortune and incomprehensible acts take place around her. She begins to see a girl and faces a shocking truth.

Follows the lives of two very different students—one carefree and charming, the other unhappy and lonely—as they try to make it through high school.