The battle between Stoffel's militia and the current regime's army has begun! Yuri tries to stop the conflict, but his anger transforms him into an out-of-control Demon King. After this incident, it's rumored that the Demon King is arrested in Svelera. He is said to possess the long lost demon flute, but in reality, this Demon King is an imposter. Yuri and his group set out to search for the truth, but Conrad and Wolfram go missing in a sudden attack of the "sand bear." Meanwhile, Yuri and Gwendal meet a woman named Nicola who reveals that she is pregnant by a Demon tribesman. When Nicola reveals the father's name, Gwendal's look is one of complete surprise.