The students are afraid to enter the classroom because they believe the teacher is angry and planning revenge. They try to come up with a plan to defend themselves, but soon discover that the teacher is a national champion in extreme challenges. The students challenge the teacher to a series of challenges, but ultimately fail to beat her. One student files a complaint about the lack of a 10-day break, but the teacher responds that they will not have a 10-day break.
1. The characters are afraid to enter the classroom because the teacher was angry with them the day before.
2. They plan to make a plan to defend themselves.
3. There is a member in the school who may not be on their side.
4. They challenge the teacher to a competition of extreme challenges.
5. Some characters are worried they will be kicked out of school.
6. The challenges include a 100-meter race, climbing a fence, lifting concrete, and following a route.
7. The protagonist wins the competition.
8. The teacher is unhappy and makes a remark about the protagonist only getting a 10.