After defeating Gaoh, the DenLiner gang celebrate their victory until Ryotaro remembers that Yuto mentioned he had been fighting an Imagin prior to their foray into the Edo period. Ryutaros, however, starts to get a sinking feeling as he and everyone notice that he, Urataros, and Kintaros are starting to dissolve. Ryotaro comes upon the Bloodsucker Imagin attacking people that have the stolen jewelry. Ryotaro assumes Ax Form, but he is unable to maintain it in the fight with Urataros attempting to jump in. Momotaros managed to get in and nearly defeats the Bloodsucker Imagin, until he is knocked into the water. Once Ryotaro returns to the DenLiner, the Owner reveals that Urataros, Kintaros, and Ryutaros are fading away due to the fact that Ryotaro only remembers the Climax Scene as Sword Form, thus why Momotaros is solely unaffected. Furthermore, there is no way to stop the deterioration like with Sieg. The three Tarōs seem to accept their fate, as a heart-broken Ryotaro runs off of the DenLiner. At the Milk Dipper, Yuto is being served coffee until a disguised Deneb reveals the situation to him. Hana tries to find Ryotaro, and succeeds, although he is trying to make his body stronger for the Imagin to save them. He remembers the good times he had with them, until he suddenly hears their final words in his mind as they disappeared. When he returns to the DenLiner, only Momotaros is left. Ryotaro begins trailing sand which the Owner states as the remains of Urataros and the others. Taking the Owner's advice, Ryotaro picks up some of the sand, reacting to his wish for all of them to be together and assuming the form of a cellphone, the K-Taros, as Ryotaro's way to stay in touch. Momotaros chalks it up to Ryotaro's lack of sense, to which a sadden Ryotaro simply agrees. Elsewhere, the Bloodsucker Imagin completed its contract and travels to May 20, 2000, attacking people until an upset Ryotaro arrives and begins to fight as Den-O Sword Form. However, the Bloodsucker Imagin is too strong for Sword Form to handle by himself. In the fight, Momotaros went berserk until the red cellphone starts ringing, and Urataros is on the other end. He tells Momotaros to put in the code "3-6-9-#", which makes the other Imagin speak from the phone before Den-O assumes Climax Form just as Yuto arrives. Den-O finishes off the Imagin with his Boistous Kick attack. Later the group celebrates the return of Urataros and the others until Hana punches Momotaros out of the DenLiner