Nipponese Underworld, Shikoku.

Shikoku referred to the easternmost cluster of Nipponese Islands. The Nipponese Underworld was still reeling from the international conference that had been held in Nara one and a half months ago, but it had no choice but to open the best hotel it had, the Shikoku Underworld Hotel, to accommodate the foreign emissaries that still hadn't left the country.

Inside an elegant Nipponese-style courtyard, an elderly Caucasian man wearing a white robe was looking up at the sky in an absentminded manner. His appearance was quite ordinary, and he didn't even seem to be a Yin spirit. He was seated on a wooden chair, and beside him were seated six other men in the same attire.

If there were any other Yin spirits present, they would definitely be astonished by the fact that all seven members of the Argosian Underworld's round table had been gathered in this small courtyard!

The leader of the group was Death God Archimedes, and he was accompanied by Aristotle, Thales of Miletus, Pythagoras, Euclid, Diophantus, and Ptolemy! If this lineup were present in any place in the world aside from the Cathayan Underworld and the Hindustani Underworld, it would be a formidable force to be reckoned with!

The courtyard was completely silent, and no one said anything as they held their teacups with contemplative expressions. Right at this moment, a Yin spirit wearing a kimono...