Dusk Maiden of Amnesia

"Dusk Maiden of Amnesia" (Japanese: 黄昏乙女×アムネジア, Tasogare Otome × Amunejia) is a Japanese manga series written and illustrated by Maybe. The story is set at Seikyou Private Academy, an old school with a complex architecture. The narrative follows Teiichi Niiya, a freshman who encounters Yuuko Kanoe, a ghost with amnesia who haunts the old school building. Yuuko is one of the "Seven Mysteries" of the school and together, they begin an investigation to uncover the cause of her death and regain her memories. They establish the "Paranormal Investigations Club", along with two other members Momoe Okonogi and Kirie Kanoe, to solve the school's mysteries. The manga was serialized in "Monthly Gangan Joker" from 2009 to 2013, and was adapted into an anime in 2012. The series blends elements of mystery, romance, school life, and the supernatural, captivating audiences with its engaging storyline. As the story progresses, Yuuko's past is unveiled, her relationship with Teiichi develops, and other paranormal events in the school are found to be interconnected to her past. The work has been published in various countries and has spawned adaptations including anime, and drama CDs.