"Hey! Have you heard the rumour?"

"What?"

"Early last evening the Maths Thug ran wild at the golf range with a knife in his hand."

"Really? At the golf range? Why?"

"They say the second-year charity case was learning golf at that hour."

"And??"

"He got beaten up by that charity case and in the end he was dragged off by the police."

"Is a thing like that possible at our school?"

"I knew the Maths Thug was a lunatic to start with…… but he's gone properly mad."

A rising murmur.

The third year's class one room, ordinarily quiet enough for the sound of a single needle dropping to be heard.

Because of an incident to be appalled at, the classroom was in an uproar from the morning.

Snap.

At the very front seat, the hand of a Kang Junu who had been solving maths problems stopped.

The content of the incident, still not taken in.

……Mad bastard.

Rage toward Lee Jangyong shot up in a moment.

A base human being who ruled over the pupils on the strength of mathematical ability alone.

Driven out of the school, it seems he has let go of the thread of his mind.

He dared take up a knife against the friend he himself had chosen.

It cannot be forgiven.

He set his mind to ask his mother, and to punish the man more cruelly.

"An emergency parents' meeting has been called because of that incident."

"It would be. To dare a knifing at Cheonghwa."

"It'll be noisy all day today, won't it?"

"Heh heh. They say they've called that charity case and Pro An in too."

"Why those two as well?"

"Who knows."

At the end of the words the gazes turned quietly toward Kang Junu.

"……."

As though by agreement they all shut their mouths.

The afternoon hours before the attempted murder.

The events among the Management Studies Society members, scattered wide among the pupils by KakaoTalk.

The trillion-scale assets of Ha Tae-ung, who accepted the vice presidency, were confirmed.

On the spot the parents' association president's son Lee Jeongjun resisted,…