Chapter 36: Breaking the Sound Barrier.

Under the threatening gaze of homeroom teacher Aizawa Shouta, Bakugo Katsuki left the pitching point.

Next, it was Accelerator's turn.

Apart from a few students who had seen his power in the exam, most of the students in Class A were curious about this so-called first place in this year's U.A. High School Hero Department first grade.

Although Accelerator's evaluation and analysis of the Quirk mastery test just now made many students feel very reasonable, but reason is reason.

It doesn't mean that he can convince everyone with just a few words, now on the playground, every student who can stand here is not a mediocre, they also have their own pride, and also want to see what Accelerator can do, is it confidence in his own strength, or arrogant pride.

All theories need to be supported by enough strength.

He took the specially made baseball handed over by the homeroom teacher, gently touched the rough surface of the specially made baseball, and roughly estimated how much force this so-called specially made baseball could withstand.

Accelerator stood at the designated throwing point in a leisurely manner and made no special throwing preparation movements, he just threw it out as simply as throwing a dart.

The moment he touched the baseball, all the vectors that could be used around the baseball were converted into kinetic energy, the principle is the same as the railgun.

In the next moment, an incredible thing happened. The baseball in his hand turned into a gorgeous white beam of light, like a comet shooting up into the sky from bottom to top. During the process, the white beam broke through the atmosphere three times to form a shock wave.

Everyone could see that in the cloudless sky above, first, with the passing of the specially made baseball, a conical mist sound explosion cloud, like a white skirt, spread evenly around the baseball. This is when the speed of the baseball breaks the speed of sound, the surrounding air is under very high pressure due to the superposition of sound waves. After breaking the speed of sound, the surrounding pressure will drop, and the pressure will cause the temperature to drop below its dew point, causing the water vapor to condense into tiny water droplets that look like clouds.

If Bakugo Katsuki's throw is to hear the explosion first and then throw the baseball up, then Accelerator's seemingly casual throw is completely the opposite.

Then, everyone heard a loud noise coming from the sky. This sound was like a thunderbolt on a clear day. When this sound reached the ground, the earth trembled. Not far away, the reinforced glass of U.A. High School's teaching building made a crackling sound due to the unbearable burden. Everyone on the playground felt uncomfortable when they heard that sound, and there was always a feeling of fear in their hearts.

Especially Jiro Kyoka, who has far superior hearing and is particularly sensitive to sound, was more affected. She felt dizzy and her consciousness was filled with the buzzing sound of tinnitus. Her nose felt hot and when she touched it, it turned out to be a small amount of nosebleed caused by the vibration of the sound source caused by the sound explosion due to the sensitivity of the auditory senses. For a while, her body lost control and she was unable to kneel on the ground.

The first to recover from the shock of the sound explosion was homeroom teacher Aizawa Shouta. He first looked at the distance table, his expression was somewhat shocked, and then at the dizzy students.

Then he noticed that Jiro Kyoka's condition was obviously greatly affected. He didn't care about dealing with Accelerator, and quickly went to the school infirmary with his own speed. In a short while, the homeroom teacher carried the healing girl to the playground to treat Jiro Kyoka.

The healing girl did not have her usual kind expression, looking at the scene in front of her, she seemed to think of something and looked a bit angry.

"Teacher Aizawa, what the hell is going on?"

"Just now I clearly felt the building shaking in the infirmary."

"Isn't today the first class of Class A? The class is not over yet, and a student is injured right away?"

"I'm very angry, you have to give me a reasonable explanation later."

The healing girl took a stethoscope to judge whether there was any severe damage inside Jiro's body, then took out a healing candy from her pocket and let Jiro eat it, just in case she used her Quirk and kissed Jiro, then she turned her head and looked at homeroom teacher Aizawa Shouta.

Homeroom teacher Aizawa bowed his head and slowly told the Recovery girl what had happened.

"I'm sorry, Recovery Girl teacher, this is my dereliction of duty as a homeroom teacher."

"I didn't consider everyone's Quirk in all aspects, I just opened up the use of Quirk, and just assumed that I asked Accelerator-kun to fully release his Quirk."

"I'm really sorry"

Saying that, the homeroom teacher Aizawa bowed to all the students and the healing girl at ninety degrees to apologize.

Accelerator felt a bit guilty, to be honest, he didn't expect that their Class A would have a Quirk that is many times stronger than ordinary people in terms of hearing. He also thought in the same way as ordinary people, and did not think of the possibility of Quirk differences among classmates.

After all, ordinary people hear the sound that has been specially controlled by Accelerator, at most they feel a little nauseous and trembling on their bodies.

But this is not a reason for accidentally injuring students, this is also Accelerator's responsibility.

The fact is so, there is nothing that cannot be admitted.

"I'm really sorry, classmate."

"I really didn't expect this to happen."

After eating the healing candy and getting the help of the healing girl's Quirk, the uncomfortable feeling of Jiro Kyoka originally disappeared. She is a frank and straightforward character, obviously did not put this accident in her heart, but was so powerful Accelerator-kun and her own homeroom teacher's apology made her feel a bit flattered.

"No need, no need, I'm really fine."

"You guys don't worry."

Jiro Kyoka, her purple short hair swaying non-stop, her hands waving desperately telling them not to worry so much.

Seeing the injured student recover, Recovery Girl's angry expression relaxed.

"Alright, I'll forgive you this time."

"But!"

"There can't be a next time! I don't want to see you guys get hurt."

"I will stay here to supervise you during this class,"

And the students who came back to their senses can't understand what's going on.

Why did Accelerator-kun seem to throw the baseball out very easily, the flying speed of the baseball would be so unimaginably fast, and why was the sound transmitted after the baseball had flown to a certain height?

And also curious about Accelerator's score and whether this test can continue.

"Aizawa-sensei, should I continue with the next test like this?"

In response to Accelerator's question, the homeroom teacher Aizawa Shouta hesitated for a while and gave an answer.

"Let's continue, this time it's still the same as before, only next time when a detailed plan is made can the arrangement be changed."

"After what just happened, I understand that what you said is indeed very reasonable."

"Different Quirks should have different tests, rather than treating everyone the same and simply and brutally requiring everyone to meet the same standards."

"And teacher, I just noticed that only Jiro Kyoka, whose hearing surpasses ordinary people's Quirk, suffered a more serious impact, including me and others, at most it's just feeling nauseous and uncomfortable."

"It can be seen that you have already considered the tolerance limit of ordinary people to control your Quirk."

"But this accidental injury to a student not only taught you a lesson, but also taught me a lesson."

"In this big environment of a superhuman society, as heroes, we must first consider more and take into account more than ordinary people, this is our duty, and also our mission."

"We can't be careless at any time."

"Think about things that ordinary people dare not think about, do things that ordinary people dare not do."

In Accelerator's view, maintaining a humble heart in the unknown field is one of the necessary conditions for the strong.

"Teacher, you are right."

"So do I continue with the next task now?"

"Hold on, I haven't announced your score to everyone yet."

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