Fireteam E601 defeats Fireteam A227 in the final match of the Mistgun tournament. Before Fireteam E601 can be announced as the winners of the Mistgun tournament, the alarms for the Devil Beetles arrival to attack Mistgun City falsely goes off. The mysterious figure who attacks Sky Wizards Academy students is revealed as Real Nua. Real Nua has a crush on Yuri. Real Nua is also obsessed with Yuri falling in love with him and making love to her. Real Nua has merged with a Devil Beetle Chimera and attacks Kanata, Fireteam E601, and Yuri. Kanata, Fireteam E601, and Yuri defend themselves against Real Nua. Real Nua is defeated by Kanata, Fireteam E601, and Yuri. Fireteam E601 is announced as the winners of the Mistgun tournament. Fireteam E601 is not disbanded. Fireteam E601 does not receive the lucrative prizes for winning the Mistgun tournament because part of Mistgun City and the new weapons were destroyed when the Devil Beetles did attack the Mistgun City. Yuri joins Fireteam E601 as a new member due to the deal she made with Kanata before the Mistgun tournament began. Yuri confesses her love to Kanata in the form of a cake saying, “I love you”.