When Sasakibara Kouichi transfers to a new school, he can sense something frightening in the atmosphere of his new class, a secret none of them will talk about. At the center is the beautiful girl Misaki Mei.

Twenty-six years ago, in a third-year classroom of a middle school, there was a student named Misaki. As an honors student who was also good at sports, the charming boy was popular with his classmates. When he suddenly died, his classmates decided to carry on as if he was still alive until graduation. Then, in the spring of 1998, a boy named Sakakibara Kouichi transfers to that classroom, and he grows suspicious of the fearful atmosphere in that classroom. In particular, there is a beautiful, aloof girl named Mei Misaki who wears an eye-patch and is always alone drawing pictures.—(Summaries provided by ANN and AniDB)

Twenty-six years ago, in a third-year classroom of a middle school, there was a student named Misaki. As an honors student who was also good at sports, the charming boy was popular with his classmates. When he suddenly died, his classmates decided to carry on as if he was still alive until graduation. Then, in the spring of 1998, a boy named Sakakibara Kouichi transfers to that classroom, and he grows suspicious of the fearful atmosphere in that classroom. In particular, there is a beautiful, aloof girl named Mei Misaki who wears an eye-patch and is always alone drawing pictures. (Summaries provided by ANN and AniDB)—exzelle25

After an open-minded, pretty and careful young girl died, one of the classmates decides to keep acting as if she was still alive. After some time, they realize the boy's decision was a big mistake. Later, a new arriving student finds out about a serious curse that would affect everyone if he does not follow very precisely three rules.—Pel Par