Duel Masters LOST is running two tracks in late 2026: the fifth manga part, Duel Masters LOST ~Shitsuraku no Duel~, launched after the fourth manga part ended in July, and the anime adaptation of the fourth part, Duel Masters LOST ~Danzai no Shonen~, streams four episodes starting October 9 on DueTube and other services.
Duel Masters LOST has moved through its fourth part in both manga and anime at once. The fourth manga part, Duel Masters LOST ~Danzai no Shonen~, ended with its 11th chapter on July 2, and that same chapter revealed a fifth part was in the works, with an anime adaptation planned and no release date given at the time.
The fifth manga part surfaced in August. The September issue of Monthly CoroCoro Comic carried the reveal that Duel Masters LOST ~Shitsuraku no Duel~, by Yō Kanebayashi and Shigenobu Matsumoto, would debut soon. The same issue's news also covered Duel Masters GT, where Hiroki Kikuzuma and Daisuke Kawasaki launched Duel Masters GT3 -Glitch of the Twin heart- on Shogakukan's Weekly CoroCoro Comic website. By the October update, the fifth part had debuted on September 17 and was running.
The anime side locked its date in late August. Shogakukan-Shueisha Productions announced that Duel Masters LOST: Danzai no Shonen would stream starting October 9, 2026, with four episodes on the official Duel Masters YouTube channel, DueTube, and other streaming services, new episodes every other Friday at 9:00 p.m. JST. Riki Fukushima returns to direct at J.C. Staff and SMDE, with Yuji Matsukura supervising animation production, Yoichi Kato on series scripts, and Go Sakabe on music. Chikara Hashizume returns as character designer. Nina Tamaki voices Kami Misaki Lost.
The main promotional video, released Friday, added two cast names to the October 9 launch. Masaya Matsukaze voices Murasaki, described as the street duel legend, and Yurika Kubo voices Hiyo Moriguchi, a girl who appears before Kirifuda Win and the others. The promo uses the ending theme "Sakujitsu feat. Yoshino" by Tsukuyomi; the opening theme is Kashitaro Ito's "Ayakashi Ayashi," continuing from the third part.
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Shogakukan-Shueisha Productions released the synopsis and scene cuts for Episode 1 of Duel Masters LOST: The Boy of Condemnation, which streams October 9 on the Duel Masters YouTube channel DueTube. The chapter is set in Shinjuku, where Win Kirifuda, burdened by his assimilation with Emperor Jashin, meets the mysterious boy Lost Kamisaki, who holds a crystal card. A tournament called the Duel Colosseum is about to begin.
The staff for Duel Masters LOST released the main promotional video on Friday for the anime's fourth part, Duel Masters LOST ~Danzai no Shonen~ (The Sentencing Boy). The video introduces two new characters: Murasaki, voiced by Masaya Matsukaze and described in the sources as "the street duel legend," and Hiyo Moriguchi, voiced by Yurika Kubo, a girl who appears before Kirifuda Win and the others. The promo uses the ending theme "Sakujitsu feat. Yoshino" by Tsukuyomi. The opening theme is Kashitaro Ito's "Ayakashi Ayashi," continuing from the third part. The new part will stream all four episodes on the Duel Masters official YouTube channel DueTube and other services starting October 9, with new episodes every other Friday at 9:00 p.m. JST. Riki Fukushima returns to direct at J.C. Staff and SMDE, with Yuji Matsukura as animation production supervisor. Yoichi Kato returns for series scripts and Go Sakabe for music.
The Duel Masters LOST anime series will stream its fourth part, Duel Masters LOST: Danzai no Shonen (The Sentencing Boy), starting October 9, 2026. Shogakukan-Shueisha Productions announced the debut date, a four-episode run, and a new key visual on August 22. New episodes will stream every other Friday at 9:00 p.m. JST on the official Duel Masters YouTube channel, called DueTube, and other streaming services. The key visual shows the mysterious boy Kami Misaki Lost holding the Crystal Card while protagonist Zanba Win reaches toward him. The story follows Win, who leaves a lighthouse carrying the sensation of having taken a life through further assimilation with the Jashin Emperor, into a battle over the Crystal Card in Shinjuku, where suspicious deaths continue. Nina Tamaki voices Lost, having previously voiced a mysterious boy in the earlier anime. Riki Fukushima returns as director at J.C. Staff and SMDE, with Yuji Matsukura supervising animation production. Yoichi Kato returns for series scripts, Chikara Hashizume returns as character designer, and Go Sakabe returns for music.
Hiroki Kikuzuma and Daisuke Kawasaki launched the third part of their Duel Masters GT manga, titled Duel Masters GT3 -Glitch of the Twin heart-, on Shogakukan's Weekly CoroCoro Comic website. The September issue of Monthly CoroCoro Comic revealed the fifth part of Yō Kanebayashi and Shigenobu Matsumoto's Duel Masters LOST manga, titled Duel Masters LOST ~Shitsuraku no Duel~, will debut soon.
The 4th part of the Duel Masters LOST manga, titled Duel Masters LOST ~Danzai no Shōnen~, ended with its 11th chapter on July 2. The chapter also revealed that a 5th part is in the works. As with previous parts, an anime adaptation is planned, though no release date has been announced yet.