By the time the mid-term exam arrived, Maxim realized he didn't need the PDF anymore. He walked into class, breezed through the grammar section, and even corrected his teacher’s use of a preposition.

When he got home, he opened the file one last time to say goodbye. The corgi was gone. In its place was a simple note: “The real reshebnik was the vocabulary you forced into your brain along the way. Cheers, mate.”

“To unlock the key, you must speak the tea,” the screen read. Maxim blinked. "What tea?"

Maxim was convinced his English workbook was cursed. Specifically, the .

"Yellow? You ate a yellow breakfast?" The corgi sighed. "Acceptable. Page 43 is now yours."

One rainy Tuesday, he clicked the file. Instead of the usual list of answers for page 42, a terminal window popped up.