Part 1 - While researching the Anti-Foreigner War, a reporter interviews Nagai, a former reporter from the war called Nagai in order to know about the White Demon's (Gintoki's alter-ego) activities in such time. He chronicles the events from war, explaining how the samurais decided to fight against the aliens. As Nagai is about to talk about the White Demon, he replaces him with the fictional robot Gundam to celebrate the 30th anniversary of the franchise with the same name.
Part 2 - Kagura starts going to Kabuki-cho's physical fitness lessons where she meets a kid named Hongou Hiashi, whom she befriends. Suffering from a dangerous disease that weakens his body, Hiashi is absent from various lessons even though he promised Kagura to go to every lesson. During a rainy day, Kagura is the only person to come to the lesson, but Gintoki and her friends decide to join her. Next day, Hiashi returns to another lesson and sees Kagura once again.
Un periodista busca información sobre si Gintoki, el mítico guerrero conocido como el "Demonio Blanco" en la guerra contra los Amanto, existió de verdad o es solo un mito.
Un journaliste interview Nagai, un ancien reporter de guerre, afin d'en apprendre plus sur les activités du Démon Blanc.
つい来年から仕切り直しゃいーやって思って後回しにしてしまうのが年末のお約束」大江戸新聞の記者を名乗る男が老人に攘夷戦争を取材していたが…。「ラジオ体操は少年少女の社交場」ラジオ体操が皆勤の神楽は同じく皆勤の少年と仲良くなるが…。
양이 전쟁 뒤에 숨겨진 비화를 취재 중이던 한 기자가 전쟁 당시 종군 기자로 일했던 나가이라는 사람을 찾아간다. 양이 전쟁을 취재하면서 어김없이 등장하는, 지금은 전설이라고 불리는 수수께끼의 인물에 대해 알아내기 위해서였다. 그런데 막상 얘기를 들어 보니 이야기가 황당하게 전개되는데...
Nagai, un giovane report, chiede a Shiden, reporter in pensione, di raccontargli del "Demone Bianco", una misteriosa figura che ha combattuto durante la guerra espulsionista. Ogni mattina la radio Kabuki-cho trasmette degli esercizi aerobici. Kagura partecipa e vuole primeggiare.