Duel Masters LOST is heading into a turning-point arc with Duel Masters LOST ~Forgotten Sun~（デュエル・マスターズ LOST ～忘却の太陽～）, a four-episode third chapter where a memoryless Win Kirifuda chases fragments of his past toward a lonely lighthouse while the “Lost Field” keeps spreading. The new story drops February 6, 2026 on the official DuelTube YouTube channel, backed by a surprisingly serious staff and voice cast line-up.
Win’s lost memories and the hook of Forgotten Sun
Forgotten Sun picks up with Win having lost his memories, clutching a new Crystal Card when a flash of déjà vu hits him: a lighthouse from an old photo in his room. That single image becomes the spine of the new arc. While creatures spill into reality through the expanding Lost Field, Win decides to head for that lighthouse with only a hazy sense that “something important” is waiting there. It’s less about climbing a power ladder and more about walking straight into the core of his own identity.
From Crystal of Remembrance to a darker Duel Masters LOST
The first two chapters—Crystal of Remembrance and Reaper of the Moonlight—introduced Win as a high schooler with no memories, strange incidents around Shinjuku and ominous ties to Abyssbell = Jashin-tei. Forgotten Sun builds on that foundation rather than rebooting it. The tone leans moodier: instead of urban accidents and moonlit assassins, we’re headed to a windswept lighthouse at the edge of the Lost Field, with the question “why was Win erased?” hanging over every duel and creature appearance. It feels less like a side-story and more like the series finally turning its cards face-up.
New journey with Niika and Wayumi into the Lost Field
Win doesn’t walk into this alone. At his side are Niika Katori, the hoodie-wearing classmate who’s been his emotional anchor since Chapter 1, and Wayumi Tsukumo, a duelist bonded with the legendary creature Bolmeteus White Dragon. As the Lost Field spreads and more people vanish, the trio heads toward the lighthouse together, with Jashin-tei watching from the shadows. The teaser visuals show the three of them stepping forward against a distorted sky, Crystal Card in Win’s hand, making it clear this isn’t just a solo “hero vs boss” showdown—it’s a party walk into the unknown.
Streaming schedule on DuelTube and Japanese platforms
Forgotten Sun will stream as a four-episode arc on the Duel Masters official YouTube channel “DuelTube,” starting Friday, February 6, 2026 at 20:00 (JST), with a new episode every Friday night. Japanese streaming services like Bandai Channel, ABEMA, d Anime Store, U-NEXT, DMM TV and others will pick up the episodes from Tuesday, February 10 at noon (JST), matching the pattern of the previous chapters. Ahead of the new arc, BS12 is already running Crystal of Remembrance and Reaper of the Moonlight in a late-night slot with Niika providing navigator comments, plus one-week catch-up on TVer. For detailed broadcast info and streaming links, check the official Duel Masters LOST anime site and the BS12 special Duel Masters page.
A surprisingly serious staff line-up for Duel Masters LOST
If you’ve written Duel Masters off as “just a kids’ card-game show,” Forgotten Sun’s staff list might make you look twice. The anime adapts the Shigenobu Matsumoto × Yoh Kanebayashi manga from Weekly CoroCoro Comic, directed by Toshinori Fukushima with series composition by Yoichi Kato, character designs by Chikara Hashizume and animation by J.C.STAFF with SMDE handling CG. The cast is equally stacked: Shotaro Uzawa as Win, Wataru Hatano as Abyssbell = Jashin-tei, Kana Hishikawa as Niika and Marina Inoue as Wayumi. It’s the kind of credits roll you’d expect on a late-night original rather than a simple tie-in, and that fits LOST’s heavier, mystery-driven tone. You can sample that tone for yourself in the Forgotten Sun teaser PV on YouTube.
The best jumping-on point for returning Duel Masters fans
If you haven’t touched Duel Masters since the early 2000s, LOST actually makes it easy to come back. Because Win starts out without memories, you learn about this version of the world alongside him; you don’t need to memorize twenty years of lore to follow the story. Crystal of Remembrance and Reaper of the Moonlight are only four episodes each and are already streaming on DuelTube and Japanese platforms, so catching up is closer to binging a single cour. To get ready for Forgotten Sun, the ideal route is simple: watch Chapters 1 and 2 via the official anime site’s streaming links, then check out the teaser PV and mark February 6 on your calendar. If the lighthouse, Lost Field and Jashin-tei’s unreadable expression intrigue you, this is your cue to shuffle your deck and rejoin Duel Masters from its darkest timeline yet.
TM and ©2025 Wizards of the Coast/Shogakukan/WHC/ShoPro
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