| Taishō a|
|Used in||Higurashi no Naku Koro ni Kai|
|Release Date||August 22, 2007|
|Number of Tracks||4|
Taishō a (対象a, Object A) is a single by anNina. The song Taishō a was used as the ending song for Higurashi no Naku Koro ni Kai, the second season of the anime.