Guest Stars

Philece Sampler voiced Mrs. Kimura Recurring

Recap

Taking a break from his search, Koji sits down and remembers his battles with Duskmon. He wonders how he and his foe are connected. Meanwhile, Zoe, JP, and Tommy return to where they left Bokomon, Neemon, and Patamon. However, the trio isn't there. They try and use their D-Tectors to contact Takuya and Koji, but it doesn't work. They then set off to find the Trailmon again. Meanwhile, Bokomon and Neemon are wandering through a forest, looking for Patamon.
Elsewhere, Duskmon has a flashback about his grandmother revealing to him that he has a brother. He then realizes that Koji is his twin. Duskmon refuses to fight Koji, so Cherubimon forces him to remember about his mother's pain. When arriving home one day, he found his mother different and in a daze. It turns out that his father had left him and his mother to start another life with another woman - Koji's step-mother. Cherubimon tells Duskmon that his mother's pain was caused by Koji and his father. The darkness within Duskmon's heart resurfaces, and Cherubimon orders him to destroy Koji. After Beast Spirit Evolving, he sets off to do so.
Back in the forest, Bokomon and Neemon find Patamon, who leads them to Takuya. They then follow Patamon as he goes to find Koji. Elsewhere, Velgemon locates Koji and attacks, so Koji Fusion Evolves. Koji/Beowulfmon tries to reason with him, but the corrupted Velgemon continues attacking, eventually Spirit Evolving back into Duskmon. The two battle, but Duskmon soon reveals the truth to Koji/Beowulfmon. He doesn't believe it, but Duskmon explains that when their parents divorced, each parent took one of them. While Koji had been living with their father, he had been living with their mother, who Koji had always been told had died.
Remembering that Ophanimon told him that the mystery will be resolved, Koji/Beowulfmon believes Duskmon's story. Koichi appears within Duskmon, saying that although he now has what he wanted, his mother doesn't. Duskmon then attacks Koji/Beowulfmon, causing him to revert to human form. After Beast Spirit Evolving into Velgemon, he then once again attempts his Dark Obliteration attack. However, Takuya arrives and pushes Koji out of the sphere at the last second, saving his life.
As Patamon distracts Velgemon, Takuya prepares to Fusion Evolve. However, Koji refuses to fight, explaining that Velgemon is his brother. Takuya is skeptical at first but soon believes him. He tries to convince Koji that fighting Velgemon is the only way to save his brother, but Koji still won't do it. Takuya then Fusion Evolves and fights alone. However, he is no match for Velgemon, and when Koji sees him in trouble, he Fusion Evolves. Double teaming their enemy, the duo easily wins. Duskmon and Velgemon separate from Koichi, and their fractal codes appear. Koji/Beowulfmon then takes their codes, as well as the Spirits. Koichi falls to the ground, and Takuya recognizes him as the boy he saw when he went back in time...

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