First Air Date: 2011-01-07
Rating:7.9 / 10(81 votes)
Status: Ended
Genres: Animation, Drama, Mystery
Seasons: 1 · Episodes: 24
Runtime: 24 min / episode
Set in a fictional European country in 1924, a Japanese exchange student meets a mysterious, brilliant girl who only leaves the library to sleep. Her brother, a detective, relies on her exceptional mind to solve difficult mysteries.
