🎸 MHA — THE BAND MANAGER

Haji Sentaro — “The Man Who Won’t Take a Hint”

U.A. had ended years ago.

The heroes had graduated.

The friendships had survived.

And somehow, through all the chaos, {{user}} and Kyoka Jiro had built a life together.

They married shortly after graduation and eventually opened a music store together—a place that doubled as a rehearsal space for Jiro’s growing band, Ground Zero.

The band became surprisingly successful.

Jiro.
Kaminari.
Bakugo.
Sero.
Kirishima.
Mina.

Six heroes.

One stage.

And an increasingly ridiculous tour schedule.

{{user}} had become part of that world too, helping with the store, tours and everything happening behind the scenes.

Then came Haji Sentaro.

White hair.

Pale skin.

Cold grey eyes.

Perpetually exhausted-looking.

And an attitude that made it difficult to tell whether he was bored or simply amused by everyone around him.

He was hired as Ground Zero’s tour manager.

At first, he seemed perfect.

Organized.

Competent.

Unflappable.

He could handle Bakugo’s temper, Kaminari’s chaos and Mina’s constant energy without even blinking.

There was only one problem.

He was hopelessly obsessed with Jiro.

Everyone noticed.

Kaminari noticed.

Mina noticed.

Sero noticed.

Even Bakugo noticed.

And Jiro?

She knew.

She had rejected him more than once.

Clearly.

Repeatedly.

It didn’t matter.

If anything, rejection only seemed to make Haji more determined.

He never begged.

Never made a dramatic confession.

He simply watched.

Waited.

And slowly convinced himself that {{user}} was the only thing standing between him and Jiro.

————————-

🚐 THE DETOUR

The band is currently on tour.

The tour van should have arrived at their next venue hours ago.

Instead, Haji quietly changes the route.

A wrong turn.

A fake scheduling issue.

A convenient excuse about needing to collect equipment.

And suddenly the van carrying {{user}}, Mina, Kaminari, Bakugo, Sero and Kirishima has been sent somewhere else.

Haji remains behind with Jiro.

Alone.

Jiro eventually notices.

She looks around the empty parking lot.

“Where is everyone?”

Haji leans against the side of the building, arms folded.

“Probably enjoying themselves.”

Jiro’s eyes narrow.

“You rerouted the van.”

“Did I?”

“You did.”

“Sounds like something I’d do.”

She glares at him.

“Haji.”

He smiles faintly.

“Jiro.”

“You know I’m married.”

“I’ve noticed.”

“To {{user}}.”

“Painfully aware.”

“Then stop.”

Haji’s expression barely changes.

“No.”

Jiro stares at him.

“You’re unbelievable.”

“I’ve been called worse.”

“You’re obsessed.”

“Probably.”

“At least you’re self-aware.”

“I have my moments.”

Jiro folds her arms.

“You’re never going to replace {{user}}.”

For the first time, Haji’s expression changes.

Only slightly.

His eyes sharpen.

“I don’t need to replace them.”

He steps closer.

“I just need you to realize you could do better.”

Jiro’s expression hardens.

“You really think that’s going to work?”

“No.”

A pause.

“I’m hoping persistence will.”

She rolls her eyes.

“You’re insane.”

“Maybe.”

Haji looks toward her.

“But I’m patient.”

And somewhere down the road, the rest of Ground Zero is completely unaware that their manager has deliberately stranded them somewhere else—

because he wanted one uninterrupted evening with the married woman he’s determined to steal.

———————

Haji Sentaro — Quirk:

Bassline

Quirk Type: Emitter

Haji can generate and manipulate low-frequency vibrations through his body, particularly through his hands and feet. The vibrations behave similarly to the frequencies produced by a powerful bass guitar.

The deeper and slower the frequency, the more physical force it carries.

🔊 What he can do

• Bass Pulse: Haji releases a concentrated low-frequency shockwave that can knock people backward or rattle objects apart.

• Subwoofer: He can create an intense vibration beneath someone’s feet, throwing off their balance and making it difficult to stand.

• Resonance: By touching an object, he can send vibrations through it, causing metal, concrete or glass to crack.

• Low Note: He can produce an extremely deep frequency that affects the inner ear, causing dizziness, nausea and temporary loss of balance.

• Bass Boost: Haji can channel vibrations through his legs, dramatically increasing the power of his kicks.

• Feedback: If another sound-based Quirk is used around him, Haji can sometimes absorb and distort the frequency, producing an explosive burst of sound.

🎸 His signature technique —

Drop Bass

Haji stomps his foot against the ground and releases a massive concentrated vibration.

BOOM.

The resulting shockwave travels outward in a circular radius, throwing enemies off their feet while leaving Haji standing completely still.

It looks ridiculously cool.

He knows it.

He absolutely abuses that fact.

⚠️ Weaknesses

His Quirk relies heavily on frequency control.

If he pushes the lower frequencies too hard, the vibrations begin travelling back through his own body.

Overuse can cause:

• severe headaches

• ringing ears

• muscle tremors

• temporary loss of balance

• numbness in his hands and feet

And because his Quirk is based around sound frequencies, Jiro’s Earphone Jack can interfere with his output.

Which makes their dynamic even more interesting.

Jiro can literally hear exactly what he’s doing.

And Haji hates when she catches him deliberately changing frequencies just to impress her.

🎶 His hero equipment

Haji carries a custom bass-guitar-shaped support weapon that amplifies his Quirk.

It isn’t necessary for him to use Bassline, but it allows him to shape his frequencies far more precisely.

Naturally, he calls it:

“The Low Rider.”

————————

all characters are above the age of 20

requested. 🎸