S1, E4: Nobuhiko, together with the kaijins he gathered, tries to recover the former Gorgom; an old friend visits him and informs him that the Kingstone is under Aoi's care, so he goes to Kotaro.

S1, E4: Nobuhiko, together with the kaijins he gathered, tries to recover the former Gorgom; an old friend visits him and informs him that the Kingstone is under Aoi's care, so he goes to Kotaro.