The day after the attack on Tokyo Jujutsu High was Naomitsu's birthday again.
Considering the commotion he had caused last time, Naomitsu chose to welcome another doubling of his cursed energy out on the boundless ocean.
"So many years have passed before I knew it, yet looking back, I'm only ten. And there's only one year left until my binding vow is lifted."
On this day next year, Naomitsu's binding vow would be lifted. When that happened, the cursed energy within him would rise to 500%, a terrifying figure.
"Today is the day my cursed energy doubles and breaks ten million."
There were five minutes left. Naomitsu stood in the middle of the Pacific Ocean, his surroundings so quiet it was as though the world had stopped for him.
Five minutes later, a tsunami-like surge of cursed energy erupted from Naomitsu's body.
Naomitsu raised his head and checked his cursed energy.
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His total cursed energy was just over eleven million. Even after accounting for the binding vow, he still had ten and a half million.
That vast mass of cursed energy churned within him. Naomitsu compressed it again and again, letting it permeate his limbs and torso.
Naomitsu raised his hand and released a strand of cursed energy as thin as a hair. As it fell into the ocean, silence settled over heaven and earth.
The next second, a thunderous roar shook the world.
An explosion erupted thousands of meters beneath the ocean, sending waves rolling across the surrounding waters, rising higher and higher.
The Cursed Energy Cannon, compressed from five million units of cursed energy, was as fine and imperceptible as a strand of hair. The instant it exploded, it was as though a hundred Tsar Bombas had detonated together on the seabed.
The waves before