The day after Earth Dog returned to the village.
Just as he was about to take a proper break, seven or eight Anbu wearing masks found him and handed him an enormous backpack.
"Earth Dog, this is your mission."
Earth Dog was speechless. He had thought he'd managed to dodge it, but he had still been caught.
Left with no choice, he put on his mask and coat, hoisted the backpack onto his back, and walked out the door.
The seven or eight Anbu followed close behind him, never more than a step away.
"What is it, everyone?" Earth Dog asked in confusion.
The Anbu all shook their heads. "Nothing. We just wanted to see which kid is so unlucky—ptui! So amazing!"
The night before, the eight of them had stayed up all night and finally managed to skim through the books. As for whether any intelligence had been hidden inside, none of them knew.
They could barely work out the answers to the first-year questions.
But starting from the second year, once things like triangles, quadrilaterals, and isosceles trapezoids began appearing, they were completely lost!
Especially those symbols—x, y, z, and things like, "The ratio of the side opposite any acute angle ∠A to the hypotenuse is called the sine of ∠A, denoted sinA."
In any case, that stuff completely knocked them flat.
They all agreed that this was far harder than ninjutsu.
Normally, second-year material would not have been this difficult, but Rinto had reconstructed it from the memories in his mind.
Not only was it incomplete, it was also full of leaps in logic.
Whatever he could remember, he wrote down. If that was not enough, he tossed in some physics and chemistry and mixed it all into one pot.
Giving his colleagues a speechless look, Earth