Problem Children x Mute, but OP Character.

Prologue: Arrival of the 4̴͕͝ ̴̭͛Č̵ͅh̶̡͋i̵̭͑l̷͔̑ḑ̸͆r̷̠͗e̸̺̕n̴͓̒

Sakamaki Izayoi was laying down in the shade, admiring the riverbank. "Ah, found a dark spot. Maybe the sun really is entering a glacial period."

Izayoi didn't have any inclination to go to school, so instead, he tried to think of different ways to play around at the riverbank while still wearing his uniform. He wasn't going to do any of them because it would be embarrassing if seen by strangers. "There has to be something fun going on."

He then heard a group of voices, he immediately thought of them as a group of delinquents, he looked to see them wearing long coats that had the words 'Fighting Spirit' written on them. In the middle of their group, was a boy that was being beaten up by them.

"Hey, this is terrific, this guy is really crying. Disgusting, let's throw him into the river to get him clean."

"Then let's make him jump in butt naked, with both his hands and legs tied up!" The boy was trembling. Izayoi slowly sat up and tried to get their attention but to no avail, true, his words were really quiet so it was expected.

Izayoi picked up a few palm-sized stones from the ground, then started throwing them towards the group. "Let me join the fun too!"

The stones that impacted with them, blew away the whole riverside. The stones were thrown at an extreme speed, it was a stupidly high speed of the Third Cosmic Velocity, and with a thunderous roar and huge cloud of dust, blew away the delinquents, the boy, and the riverside.

"Arghh"

"It-It's Sakamaki Izayoi! Everyone, run for it!"

"He-Help..."

"I'll keep 'em coming!" Izayoi continued to throw the stones as he accompanied them with resounding laughter. They left craters upon impact and all of the victims at the bottom were terrified. Izayoi had not thrown the stones to save the boy.

Sakamaki Izayoi was holding his stomach and laughing as he watched them run away. He kept rolling about with laughter and stamping his feet on the ground. The only sound remaining in the area was the sound of his laughter. There was no one else around, and so when Izayoi stopped laughing the area became quiet.

There was no sign of anyone else near the riverbank. Boys and girls his age are probably having lunch in school right around this time. Sakamaki Izayoi stood up silently. "Boring"

Those were the feelings he had right now, he only saw the scene that had just occurred as ironic and didn't seriously get any enjoyment out of it. His laughter was only for show; it was nowhere near real fun. He then turned his back to the riverside. "Eh?"

When Izayoi was going to walk off, a strong sideways wind started blowing. He looked to see a sealed letter was dancing in the wind and after following a very unnatural trajectory, it delivered itself into Izayoi's bag. "What was that?"

He took the mysterious letter from his bag.

It read, "To Izayoi Sakamaki"

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The garden was noisy from the loud chirping of cicadas. "Enough of this. Silence!" Kudou Asuka yelled towards the garden. And suddenly there was silence.

The crowd of cicadas stopped chirping all at the same time as if they had rehearsed it beforehand. It seems the words of the Kudou family's mistress were more important to them than their courting activities.

Without even finding this odd, she continued strutting through the well-maintained mansion's corridors at a fast pace. She wondered why, even though this place belonged to one of the five biggest conglomerates in Japan, it didn't have air conditioning in the hallways.