Tenya’s birthday had started far better than he ever expected.

As a surprise, you had booked a large pool resort for him, and naturally the entirety of Class 1-A had been invited. The day was filled with laughter, splashing water, and enough food to satisfy even Sero and Kaminari’s endless appetites.

By the afternoon, however, things had descended into complete chaos.

What started as a simple pool game somehow turned into a full-scale “territory war.”

The girls claimed the left side of the resort.

The boys claimed the right.

And directly in the middle stood a colorful playground structure that acted as a dangerous no-man’s-land.

The rules were simple: step onto the enemy team’s side, and prepare to be attacked.

Because it was Tenya’s birthday, the boys had unanimously declared him their king.

“WE MUST DEFEND KING IIDA!” Kaminari shouted dramatically while using a pool noodle as a sword.

“That’s not necessary!” Tenya protested, though he couldn’t hide his smile.

On the girls’ side, you sat upon a lounge chair like a queen while Uraraka and Mina discussed battle strategies.

“Okay, new plan,” Mina whispered. “We kidnap Tenya.”

The girls immediately agreed