A high school student with a second identity, that of a top treasure hunter. He is seeking the " Eleventh Commandments of Moses". Convinced that ruins discovered on an island in the south of Europe are home to this find, he decides to make a trek there. Learning that a friend form his childhood, Reina Tachibana, whose family he once lived with, is working on an excavation team there he concocts a plan to visit under the pretense of being a tourist. [Edited from Hirameki International]