A Jin Gets Punished with Copywork Every Day

A Jin used to be young and foolish, and spent some time as a street punk. After turning over a new leaf, he set his heart on becoming a bright and positive person.

At last, he chose to join the strongest sect under heaven: the School of Learning.

He admired the lofty and powerful Immortal Venerable of Mathematics, and wanted to learn from him so he could become even more positive!

A Jin did his best to cling to the Immortal Venerable of Mathematics and study mathematical techniques with all his might.

But he had no idea that the Immortal Venerable of Mathematics had already fallen into demonic cultivation.

The Immortal Venerable of Mathematics gave a cold snort. "How can anyone study mathematics without going demonic?"

He forced A Jin to do all sorts of things he thought impossible, like things below the neck, and...

Then one day, the Immortal Venerable of Mathematics smiled wickedly at the pitiful A Jin, whom he had thoroughly worn out, and asked:

"A Jin, would you like a logarithmic function with a base greater than one today, or one with a base between zero and one?"

A Jin had never studied such advanced mathematical techniques. Afraid and confused, he asked, "Master, what... what is the difference between them?"

The Immortal Venerable of Mathematics said, "One curves upward, and the other curves downward."

A Jin said, "A Jin chooses the one that curves upward!"

In the end, while making tearful little sounds on the Cartesian coordinate plane, A Jin finally learned that both of them were infinitely long...

Theme: Stay cheerful and positive, study hard, and keep improving every day.