Japanese government negotiator Shindo Kojiro has been absorbed into a giant 2km long cube known as Kado.  Inside, he meets a being called Yaha-kui zaShunina, who seems to possess powers beyond humanity's ability to comprehend.  Who is this being, and what are his plans for humanity?  Shindo agrees to become this creature's representative as it begins its negotiations with the Japanese government.
Ministry of Foreign Affairs
 negotiator Shindo Kojiro was
مفاوض وزارة الشؤون الخارجيّة شيندو كوجيرو
Verhandlungsbeamter des
Außenministeriums, Kōjirō Shindō,
El negociador de Asuntos Exteriores
Kojiro Shindo
Una estructura enorme
que apareció de repente
Kôjirô Shindô, négociateur 
au ministère des Affaires étrangères,
Il negoziatore del Ministero
degli Affari Esteri Kōjirō Shindō
O negociador Kojiro Shindo, 
do Ministério de Relações Exteriores,