1️⃣ Death Note Was Banned in Multiple Countries

Death Note has faced bans or restrictions in countries like China due to concerns about students writing classmates’ names in notebooks inspired by the show.
It also triggered debates in schools worldwide about media influence and psychology.

Why this matters: It shows how fiction can create real-world social reactions.

2️⃣ Naruto Was Originally About Cooking

Before becoming a ninja series, Masashi Kishimoto’s early concept for Naruto involved ramen and cooking themes. The ninja storyline came later after revisions.

Hidden detail: Naruto’s obsession with ramen is actually a leftover trace from that early concept.

3️⃣ Attack on Titan Was Rejected Many Times

Hajime Isayama’s manuscript for Attack on Titan was rejected by multiple publishers before being accepted by Kodansha.

Some editors told him his art style was “too rough.”
Ironically, that raw style later became part of its identity.

4️⃣ One Piece Holds a Guinness World Record

One Piece holds the Guinness World Record for the most copies published for the same comic book series by a single author (Eiichiro Oda).

That makes it the best-selling manga series in history.

5️⃣ Demon Slayer: Kimetsu no Yaiba Broke Japan’s Box Office Record

The movie Demon Slayer: Mugen Train became Japan’s highest-grossing film ever, surpassing even Spirited Away by Studio Ghibli.

This was huge because anime films rarely beat classic theatrical legends.