logical error

The story centers on computer science student Chu Sang-woo, who lives by strict rules and values ​​order in everything. To pass a class, he has to work on a group project with slackers who don't help him with the preparation. Ultimately, Sang-woo decides to exclude the slackers' names from the final presentation and informs his professor.
This action leaves Jang Jae-yong, a senior in the design department and a campus celebrity, suffering. He ends up on the expelled list, and due to his failing grade, he is forced to stay at the university for an extra year, losing his chance at an internship abroad.
At first, Jae-yeon wants to ask Sang-woo for help to improve his grade. But after talking to the stubborn and unwavering Sang-woo, he realizes that the misunderstanding cannot be resolved peacefully.

A blue tractor is driving towards us through the fields