Duel Masters LOST: Danzai no Shounen (The Sentencing Boy) is the fourth chapter of the Duel Masters LOST web anime series, and its first episode arrives worldwide on Friday, October 9, 2026. The new chapter continues the dark, alternate-universe story of Win Kirifuda, a teenager who lost all his memories after being defeated. This time, Win is burdened by the belief that he has taken a life, and a mysterious boy named Lost Kamisaki appears holding a Crystal Card that can change the world.
The anime streams first on the official Duel Masters YouTube channel, Duetube, at 9:00 PM Japan Standard Time (JST). New episodes arrive every other Friday, and the season runs for four episodes in total.
Exact Streaming Times for Episode 1 in Major Countries
The worldwide release of Duel Masters LOST: Danzai no Shounen episode 1 happens at the same moment globally, so the local time depends on your time zone. Here is the exact schedule for major locations:
- Japan: Friday, October 9 at 9:00 PM JST
- United States (Eastern Time): Friday, October 9 at 8:00 AM EDT
- United States (Pacific Time): Friday, October 9 at 5:00 AM PDT
- Canada (Eastern Time): Friday, October 9 at 8:00 AM EDT
- Canada (Pacific Time): Friday, October 9 at 5:00 AM PDT
- United Kingdom: Friday, October 9 at 1:00 PM BST
- Portugal: Friday, October 9 at 1:00 PM WEST
- Ghana: Friday, October 9 at 12:00 PM GMT
- Central Europe (Germany, France, Italy, Spain, Poland, Netherlands): Friday, October 9 at 2:00 PM CEST
- India: Friday, October 9 at 5:30 PM IST
- Australia (Eastern Time): Friday, October 9 at 10:00 PM AEST
- Australia (Western Time): Friday, October 9 at 8:00 PM AWST
- South Korea: Friday, October 9 at 9:00 PM KST
- Indonesia: Friday, October 9 at 7:00 PM WIB
These timings are based on the confirmed 9:00 PM JST release and standard time zone conversions for October 2026.
Where to Watch the Anime Worldwide
Duetube, the official YouTube channel of the Duel Masters franchise, is the fastest place to watch episode 1. The episode is free to watch on YouTube for audiences worldwide, though regional availability may vary.
Starting Tuesday, October 13 at 12:00 PM JST, the episode also becomes available on several streaming services in Japan. These include Bandai Channel, TELASA, J:COM STREAM, milplus, ABEMA, d Anime Store, DMM TV, U-NEXT, Anime Hōdai, Anime Times, and Lemino.
For international viewers outside Japan, the primary option remains the official Duel Masters YouTube channel. No separate release dates for platforms like Crunchyroll or Netflix have been confirmed for this chapter at the time of writing.
What Happened Before: The Story So Far
Duel Masters LOST takes place in an alternate version of the Duel Masters WIN anime. In this darker timeline, 16-year-old Win Kirifuda wakes up in Tokyo’s Shinjuku district with no memories of his past. He lives a quiet, empty life as a high school student until a mysterious transfer student named Crysta appears, claiming to know everything about him.
The story unfolds across three previous chapters. The first chapter, Tsuioku no Suishou (Crystal of Remembrance), introduced Win’s amnesia and his first encounters with the Lost Field, a dangerous world where creatures roam free.
The second chapter, Gekka no Shinigami (Reaper of the Moon), brought Win face to face with a man called the “Black Reaper,” Kuroshiro Kyoushirou. This chapter also deepened Win’s connection to the Crystal Cards.
The third chapter, Boukyaku no Taiyou (Sun of Oblivion), followed Win as he searched for a lighthouse he saw in a fragmented memory. He travelled with his classmate Niika Katori and a new ally named Wayumi Tsukumo. At the lighthouse, Win faced a water god called Mizuhanome no Kami, who came to judge his “sin.” The chapter ended with Win fused further with the Jashin Emperor, carrying the terrible feeling that he had harmed someone.
Episode 1 Story: Win’s Guilt and the Boy with the Crystal Card
Episode 1 of Danzai no Shounen picks up right after the lighthouse events. Win returns to Shinjuku still haunted by the sensation that he has taken a life. The Lost Field continues to spread its dark influence over the city, and unexplained deaths keep happening.
A mysterious boy named Lost Kamisaki appears before Win. Lost claims to know what lies beyond the boundary between worlds, and in his hand shines a Crystal Card said to hold the power to change the world. Win is drawn to Lost’s mysterious aura, but he is also pulled into a new conflict shaped by guilt, desire, and Lost’s hidden intentions.
Meanwhile, a man known as the “legend of street duels,” Murasaki, is preparing to host a tournament called the Duel Colosseum in the night-time streets of Shinjuku. This event brings new challengers and raises the stakes for Win and his friends.
The episode carries an R-17+ rating for violence and profanity, continuing the series’ departure from the lighter tone of traditional Duel Masters anime.
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Main Characters and Voice Cast
The core cast returns from previous chapters, with two new additions for Danzai no Shounen.
Win Kirifuda (voiced by Shōtarō Uzawa) is the protagonist. A high school student in Shinjuku who lost all his memories. He is slowly learning the truth about his past while carrying the weight of a sin he does not fully understand.
Niika Katori (voiced by Hana Hishikawa) is Win’s classmate and one of his closest allies. She has stood by him since the first chapter and remains his emotional anchor.
Wayumi Tsukumo (voiced by Mariya Ise) is a duelist bonded with the legendary creature Bolmeteus White Dragon. She joined Win on his journey in the third chapter.
Abisbell = Jashin Emperor (voiced by Wataru Hatano) is a mysterious entity fused with Win. His intentions remain unclear, but his growing connection with Win is the source of Win’s guilt.
Lost Kamisaki (voiced by Nina Tamaki) is the new mysterious boy at the centre of this chapter. He holds a Crystal Card and claims to know the world beyond the boundary.
Murasaki (voiced by Masaya Matsukaze) is a new character known as the “legend of street duels.” He hosts the Duel Colosseum tournament and appears to have his own agenda.
Hiyo Moriguchi (voiced by Yurika Kubo) is another new character, a girl who appears before Win and his companions. Her role in the story is still unfolding.
Episode Release Schedule for the Full Season
Danzai no Shounen consists of four episodes. New episodes arrive every other Friday on Duetube at 9:00 PM JST. The full schedule is:
- Episode 1: Friday, October 9, 2026
- Episode 2: Friday, October 23, 2026
- Episode 3: Friday, November 6, 2026
- Episode 4: Friday, November 20, 2026
The anime is produced by J.C.Staff and Shogakukan Music & Digital Entertainment, with Toshinori Fukushima directing. The original story is by Shigenobu Matsumoto, with art by Hiroshi Kanbayashi. The manga runs in Shogakukan’s Weekly CoroCoro Comic.
The ending theme for this chapter is “Sakujitsu feat. Yoshino” by Tsukuyomi, continuing from the previous chapter.
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