Tasogare Otome x Amnesia
Tasogare Otome x Amnesia (黄昏乙女×アムネジア) took place in Seikyou Private Academy, a place where older than 60 years, comprising many buildings connected together to accommodate students ranging from junior high school to senior high school. This school has been restored and expanded steadily until old internal structures were closed and abandoned. Classroom became a storage room. The stairs are not used, and the corridor looked like dark alleys. These things make buildings more complicated like a maze.
The environment is causing many rumors and mystery stories regularly. One day Teiichi Niiya (新谷 貞一), a new student in Seikyou Private Academy has strayed into an old school building until comes to an old room, and he met Yuuko Kanoe (庚 夕子), a mysterious girl who has black long hair, sharp-eyed , and tall. She called herself that the ghost in old school building, only Teiichi and a few people in the school be able to see her. Yuuko has no memory about her story and the cause of death. To help Yuuko, the ghost girl who has no memory of the past and wants to know the cause of death, so Teiichi and Yuuko established an explore mysteries' club to find out the truth as well as other myths.