Why does Japan’s coach keep writing during matches?
Every time Japan play, the camera often catches head coach Hajime Moriyasu calmly writing in his notebook #deathnote.
While other coaches shout, panic, or wave their arms on the touchline, Moriyasu looks quiet, focused, and mysterious — as if he is writing the next move before everyone else sees it.
And now, the notebook has become part of Japan’s World Cup story.
At the 2026 World Cup, Japan fought back to draw 2–2 with the Netherlands, beat Tunisia 4–0, and then drew 1–1 with Sweden to reach the knockout stage.
Once again, fans started asking the same question:
What is Moriyasu writing?
Is it tactics?
Player notes?
Reminders?
Or just football’s calmest secret weapon?
In this hand-drawn doodle explainer, we look at why Moriyasu’s notebook became so popular, how Japan keep making strong teams uncomfortable, and why one simple habit has turned into one of the most interesting sideline stories of the World Cup.
Sources:
Reuters: Japan battle back to draw 2-2 with Netherlands in Texas thriller
Reuters: Japan coach lauds fightback but draw with Dutch “disappointing”
Reuters: Japan coach Moriyasu praises Kamada after standout performance in new role
Reuters: Sweden’s Elanga earns draw with Japan to keep their World Cup alive
Reuters: Japan won’t be pushovers against Brazil in knockouts, coach says
The Guardian: Japan 1-1 Sweden, World Cup 2026 live report
India Today: Japan head coach Hajime Moriyasu “Death Note” meme returns during World Cup
Disclaimer:
This video is made for educational, commentary, and entertainment purposes. It is based on public match reports, media coverage, and fan discussion around Hajime Moriyasu’s notebook. We are not claiming to know the exact contents of his notes. The “secret notebook” angle is used as a storytelling device to explain Japan’s tactics, discipline, and recent World Cup performances. The scenes are presented through hand-drawn doodle illustrations for visual explanation and should not be treated as real footage of private team information.
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