The popular anime series Duel Masters LOST celebrated Japan’s Marine Day with the release of a special “summer greeting” visual. Additionally, it was announced that the series’ heroine, Niika Katori, will host a special 3D livestream on Wednesday, July 23, 2025.
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Marine Day Commemorative Visual Revealed
In celebration of Marine Day on July 21, a national holiday in Japan, a newly illustrated visual for Duel Masters LOST was unveiled. The artwork, created by character designer Chikara Hashizume, was released on the official Duel Masters YouTube channel, “DueTube,” and other platforms where the anime is streamed.
The vibrant illustration features the main characters—Win Kirifuda, Niika Katori, Christa, and Wayumi Kujukuri—enjoying a day at the beach, offering a refreshing summer scene. This special visual presents a rare opportunity to see these characters together in a lighthearted setting not depicted in the main story.
Heroine Niika to Host 3D Livestream
A 3D livestream hosted by the series’ heroine and popular influencer, Niika Katori (voiced by Hana Hishikawa), is scheduled for Wednesday, July 23, at 7:30 PM JST. The event will be broadcast simultaneously on TikTok LIVE and the official “DueTube” YouTube channel.
The stream will feature special guest “Deadman,” a developer for the Duel Masters trading card game. The program is set to include a recap of the anime’s first and second chapters, as well as a live unboxing of the TCG set Ai Kanshasai Heroine BEST.
Chapter 3 in Production as Anticipation Builds
All eight episodes of Duel Masters LOST, comprising Chapter 1, Tsuioku no Suishō (The Crystal of Recollection), and Chapter 2, Gekka no Shinigami (The Reaper Under the Moon), are currently available on various streaming services. The sequel, Chapter 3, titled Bōkyaku no Taiyō (The Forgotten Sun), is now in active production.
Furthermore, additional information about the anime is scheduled to be announced during a special livestream on “DueTube” on Friday, August 1, titled “Duema tte Motto W de Ōdō Nanda! Dendō Happyō & Ōdō Jōhō Namahaishin.”
About Duel Masters LOST
Launched in 2024, Duel Masters LOST is the latest installment in the long-running trading card game franchise “Duel Masters,” which boasts a history of over 20 years. The series follows the story of protagonist Win Kirifuda, who awakens with amnesia and must uncover the truth behind his past and a series of mysterious incidents plaguing the city.
■ Story
A bizarre phenomenon sweeps through Shinjuku, Tokyo, as people begin to vanish without a trace. Six months ago, Win Kirifuda woke up in this very city with no memories. He struggles to fit in at the high school he started attending and the part-time job he picked up, spending his disaffected days hanging out in a park at night with his classmate Niika and her friends.
His mundane life is turned upside down by the arrival of a mysterious transfer student, Christa, who claims to “know everything about Win” and insists they were promised to be married. Behind her, a sinister shadow lurks. What is the truth behind the frequent disappearances? What is Christa’s true objective? And what secrets lie hidden in Win’s past? A new story begins as Win seeks to reclaim his lost memories.
■ Streaming Information All 8 episodes of Chapter 1 & Chapter 2 are now streaming on the official Duel Masters YouTube channel, “DueTube,” and other streaming services.
■ 3D Livestream Information
Date and Time: Wednesday, July 23, 2025, starting at 7:30 PM JST Platforms: