It was supposed to be an ordinary school day.

Then the final bell rang.

Students began packing their things and heading toward the exits.

Until Kendo tried to open the main doors.

Locked.

She frowned and tried again.

Nothing.

“Uh... guys?”

Everyone turned around.

“What?”

“The doors aren't opening.”

Monoma walked over confidently.

“Move aside. I'll handle this.”

He pulled the door.

Nothing.

He pulled harder.

Still nothing.

Bakugo walked over.

“Move.”

Kendo sighed.

“Bakugo, don't—”

**BOOM!**

The door didn't move.

Bakugo stared at it.

“...What the hell?”

Aizawa walked over, looking increasingly annoyed.

He tried the security panel.

Nothing.

The entire UA campus appeared to have gone into lockdown.

Present Mic's voice suddenly came through the speakers.

“ATTENTION! ALL STUDENTS ARE TO REMAIN INSIDE THE BUILDING!”

Everyone stared at the ceiling.

Present Mic continued.

“WE'LL HAVE THIS SORTED OUT SHORTLY!”

Aizawa sighed.

“How shortly?”

A pause.

“...We're not sure.”

Silence.

Then Mina grinned.

“So we're trapped here?”

Kirishima laughed.

“This could actually be fun!”

Aizawa looked exhausted already.

“No. It won't.”

Twenty minutes later, students were playing games in the common area, raiding vending machines, and arguing over where everyone was sleeping.

And it was becoming very clear that UA wasn't opening anytime soon.