This section requires expansion Cultural References, Differences in Adaptation, Soundtrack
Referbacks
Cultural References
Carved stone lid of the Palenque
Baghdad Battery
Mayan Jade Mosaic Mask
Stone spheres of Costa Rica
Sakafune Ishi
Orichalcum
1/6
Prior to inviting Esther Rosenthal as supervisor of Hishigata Mikihiko's research team, several mysterious objects were taken from outside of the Academy City.
Differences in Adaptation
Esther's past with the Hishigata siblings is considerably expanded upon, but also differs somewhat from the circumstances depicted in the manga.[1]
