The series uses two pieces of theme music. The opening theme "Futatsu no Kodō to Akai Tsumi" (ふたつの鼓動と赤い罪) is performed by the duo On/Off and the ending theme "Still Doll" is performed by Kanon Wakeshima.
| Graph IRI | Count |
|---|---|
| http://dbkwik.webdatacommons.org | 247 |
![[RDF Data]](/fct/images/sw-rdf-blue.png)
