From tournament arcs to overpowered protagonists, the genre knows how to work its magic.

Edwards guilt, determination, and selflessness define his character and give the series its emotional weight.

The same emotional power drivesDemon Slayer: Kimetsu no Yaiba.

Promotional art for Fullmetal Alchemist Brotherhood anime show the Elric Brothers getting ready for battle while the shows cast of heroes and villains are organized behind them.

That combination of love and relentless determination resonates deeply.

It transforms what could have been just another demon-hunting series into a heartfelt tale of familial devotion.

Similarly, Tanjiros role as Nezukos protector accelerates his emotional and physical development.

The cast of Tenchi Muyo! in a express their personalities in a promotional image for the anime

He must not only fight demons but navigate a morally gray world where even enemies might be victims.

Unlikemany shonen protagonists driven by dreams of strengthor fame, Tanjiros purpose is grounded in empathy and responsibility.

His evolution is tied to his protective role, making his growth feel more grounded and meaningful.

Satoru Gojo, Nanami, and Yor in a collage-style image.

These narratives stand out because they reflect a universal truth that growing up often means putting others before yourself.

That emotional maturity elevates the genre and gives fans more than just action to root for.

Edward and Tanjiro are not simply fearless juggernauts.

Demon Slayer and Fullmetal Alchemist Cover Image

Edwards relationship with Alphonse is filled with tenderness.

Likewise, Tanjiros sensitivity is one of his greatest strengths.

Instead of stoic warriors, we get brothers who fight through pain and fear because they care deeply.

Collage of Fullmetal Alchemist Brotherhood

These portrayals challenge traditional notions of heroism.

Instead of stoic warriors, we get brothers who fight through pain and fear because they care deeply.

This makes their battles more than just physical confrontations, they are emotional trials.

Demon Slayer Tanjiro Kamado

Fans Keep Re-Watching Fullmetal Alchemist and Demon Slayer, But Why?

So, why does the older brother trope keeping happening?

Anime fans return to this trope again and againbecause it offers more than just cool fights or epic stakes.

Ed as featured on a poster for FMA: Brotherhood.

It gives us stories about people who care deeply and act selflessly.

Thats a message that never gets old.

Even in less mainstream series, the older brother narrative adds emotional complexity.

Tanjiro and Nezuko from Demon Slayer

They remind us of what it means to love fiercely, protect loyally, and grow through hardship.

That is why we keep coming back to them, and why we always will.

They remind us of what it means to love fiercely, protect loyally, and grow through hardship.

Fullmetal Alchemist Franchise Poster

That is why we keep coming back to them, and why we always will.

Demon Slayer: Kimetsu no Yaibais a wildly popular anime and manga franchise created by Koyoharu Gotouge.

The franchise includes a manga, anime TV series, films, video games, and spin-offs.

Demon Slayer: Kimetsu no Yaiba (2019) anime poster

Anime

Fullmetal Alchemist

Fullmetal Alchemist: Brotherhood