After defeating the formidable Volgan and earning the title of hero, Kyle and his friends receive a letter from the Demon King, Darkheart. The letter describes reconciliation between humans and demons, and Kyle and his friends work together to ensure coexistence between the two races. As the first step toward coexistence, the border between the human world and the Demon Kingdom is opened, connecting the two countries. Kyle and his friends then head to the Demon Kingdom to attend a social gathering held at the Demon King's castle, where influential people from both the human and demon worlds gather. Both races are confused by the sudden coexistence, but at the social gathering both sides show a willingness to compromise, and Kyle makes a friend, a demon boy named Naios. It seems like reconciliation between humans and demons is progressing smoothly, until suddenly, riots break out near the border. Kyle and his friends gradually become embroiled in the fighting... This is the second installment of the exhilarating adventure story about a late-blooming, yet powerful thirty-something!
