WARNING SOME SPOILERS AHEAD FOR BOTH "MY HERO ACADEMIA" AND "THE SEVEN DEADLY SINS" (I'd suggest watch the anime or read the manga first before reading this fan fiction)

Author's note: this is my first time writing a mha fan fiction, so if I get something wrong I deeply apologize and please be patient with me as I'm going to start at the sports festival, anyway... hope you enjoy this TSDSMHA au crossover.

Chapter 1:As the sports festival begun, All of U.A where getting ready to start the tournament, crowds were cheering and howling with excitement, as the pro heroes where in the break room watching from a small TV.

"YO!!! ARE YOU READY FOR THE TOURNAMENT!!!" yelled Mic filled with excitment and energy as Mr. Aizawa was sitting near Mic with bandages from the USJ incident.

The crowd was howling and yelling to the top of there lungs."Mic, why are you so loud and thrilled for the sports festival?" said Aizawa with a bland face expression.

"BECAUSE THIS U.A SPORTS FESTIVAL IS SPECIAL" yelled Mic loud enough for the entire crowd in the stadium to hear him.

"Why's that?" Aizawa saying that to Mic in another blank expression."WELL ITS OBVIOUS, NEW STUDENTS MEANS NEW QUIRKS TO PUT ON THE TABLE!!!" Mic said with even more thrill and more louder.

Then the R rated hero, midnight came walking through the crowd to explain the rules of the tournament."The rules are simple students must compete against one another in one on one battles. The match-ups were decided by lottery. you must stay in the stage at all time, The conditions for winning a match are knocking out the opponent, rendering them unable to move or getting them to step out of bounds, or if they surrender." said Midnight with a evil looking smug grin.

As the some of the U.A students dropped out of the sports festival due to reasons, where as the remaining students Carefully planing, stretching, etc. to prepare for the tournament, Cementoss was building the stage that the students where going to fight in.

"wish all of you good luck" as Midoriya told the entire class 1-A, and the class wished Midoriya good luck.

Midoriya started to head out to the stage where he would have to face the Brain washing student, Hitoshi Shinso.

Suddenly, the crowd noticed something thing fly down from the sky as it landed in the stage, as soon the dust settles down they saw what looked liked a massive blade that was to big to be a knife and way to small to be a sword.

"WHAT'S THIS!!!!??? A BLADE FELL FROM THE SKY AND LANDED IN THE STAGE NEARLY HURTING THE CONTESTANTS!!!!???" as Mic jumped off his seat yelling loud enough that the whole crowd jumped off there seat as well.

The students where told to remain where they are, as Cementoss and Midnight were inspecting the curved short sword and they saw the blade with a dragon symbol on it.

"Where do you think this came from?" asked Midnight.

"It's hard to say, I've never seen this type of blade before." responded Cementoss while scratching his head.As the heros were inspecting the blade, the crowd and students were murmuring and whispering, Until a student pointed out two other things falling from the sky again.

As soon the crowd saw the two things falling from the sky, Everyone Panicked trying to leave the stadium, suddenly the two things landed on the stage, causing a massive dust cloud to form from the impact, which no one could see in the dust cloud.

The pro heroes watching jumped into action and went to the stage, waiting for the dust to clear and they saw two kids on the broken concert stage.

A short kid with messy blond hair and a pair of emerald eyes and he is wearing a torn white button-front shirt and a black sleeveless vest on top with a loosely worn tie. Regardless of his stature and youthful looks, he is very muscular, as they noticed a Dragon symbol carved at the top of his left bicep, just below his shoulder.

The other kid has amber eyes and dark red hair that reaches just past his jaw. the kid's attire consists of a white shirt with gray long sleeves over a black cropped tank top as well as a pair of dark pants and short grey boots.Being hard to identify as a male or female, due to the kid having the body of a man, and having a very feminine face, while also having a goat symbol carverd on the kid's top right-side chest.

"Are those kids alright?" as someone said in the crowd, "how could they fall from that height and have minor scratches???" said another person.

Soon the crowd began to whisper and gossiping as the pro heroes tried checking if the kids are breathing at all.

Then suddenly, the pink-ish, red-ish haired kid woke up, startling the heroes, crowd and students as well.

End of chapter 1