Prompt: The day I'm writing this is All Might's birthday. Time to figure out how to celebrate this!
Something simple, but it gets the point across.

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So apparently today is Yagi's birthday. As the respectable human-being I am, I decided to get him a present.

"HERE, YAGI!" I scream as I enter the teacher's living room. Yagi jerks up from the arm chair.

"Young Midoriya! You frightened me! What do you need?" Yagi asks. Shouta watches me like I'm about to eat the man, which I'm not. I walk over to Yagi and drop a large wrapped box in his lap.

"Happy Birthday! Open the box."

"Oh! You didn't have to get me anything!" He says as he rips (damn it) the wrapping and opens the box to reveal a bunch of new clothing THAT LOOKS NICE.

"If you don't like any of it, I can take you shopping yourself, but I ain't allowing you to go out in whatever you wear again."

Yagi chuckles, "I should have known. It all looks nice. Thank you, young Midoriya."

"No problem, boomer."

"Boomer?"

Shouta sighs, "Don't ask. I'm glad you didn't prank Yagi, Izuku."

"Don't worry: That's later!"