restraint of the group for so long made Eugeo unable to stop saying ‘But’. “......But, going to the Mountain range at the Edge isn’t breaking just the village rules but ‘that’ too, right? Even if we go past the pass and arrive at the base of the mountain, we still can’t enter the cave......” Upon hearing that, Alice and Kirito made a serious face. «That» which Eugeo said was the absolute law which governed all people of the vast Human World, its authority was far beyond the «Norlangarth North Empire Fundamental Law», let alone the «Rulid Villager’s Standard» —— Its name was «Taboo Index». It was issued by the «Axiom Church», the great tower which seemed to reach the heavens, located in capital city Centoria. The thick book which was bound in pure white leather was provided not only to the north empire that Eugeo lived in, but also at least one to every town and village in the east, south, and west empires. The Taboo Index, unlike the village rules and the empire’s laws, just as its name implied, was the list of «Things one does not attempt». It started with a wide range of taboos like «Treason against the Church» or «Murder», «Thievery», on to more mundane entries like the limit of beasts and fish to be caught each year, or food that can’t be fed to the livestock; the number easily exceeded one thousand entries. For all children attending school, aside from learning to write and calculate, the most important subject was to memorize all of the Taboo Index. — — Or rather, not teaching the Index in school is considered to be breaking the Index. Although the Taboo Index and the Axiom Church possessed such tremendous authority, but there seemed to be land it couldn’t extend to. Beyond the «Mountain range at the Edge» which enclosed the world