Illumi had already received the family's approval when it came to correcting Killua's way of thinking.
As for how he taught him, that was entirely up to Illumi.
And throughout the process, Illumi would not allow Killua to receive any information other than "guidance."
So—
Even if Killua merely picked up a few soccer balls that children his age had accidentally kicked over, Illumi would decisively kill those children.
Such overbearing, iron-fisted methods were meant to cut off every possibility that could influence Killua.
Now, naturally, Illumi would not allow Killua's thoughts to drift toward Heavens Arena.
Carrying out assignments and assassinating targets.
Those were the things Killua should be thinking about now.
A palpitating pressure radiated from Illumi's entire body.
It was an aura born from Nen, yet to Killua, it felt like a pair of invisible hands steadily closing in, nearly suffocating him.
"..."
Amid the wordless silence, Killua lowered his head in defeat.
Only after seeing Killua obediently comply once more did Illumi retract his aura in satisfaction.
His gaze shifted toward the hotel.
Beyond the beaded curtain of rain, a beam of light shone through and settled on the ground not far from the alley entrance.
It was the headlights of a car.
Accompanied by the pattering rain, countless droplets stood out clearly within the light.
Inside the car was Killua's assassination target for this assignment.
Killua kept his head slightly lowered as he slowly walked out of the alley, gradually quickening his pace.
The moment his figure passed through the curtain of light, the curtain of droplets descending from the sky suddenly shattered.
Killua had turned into a blur, smashing through sheets of rain as he shot straight toward the car.
The next moment.
A potbellied middle-aged man who had just stepped out of the