It is a free quiz game of "Welcome to the classroom of meritocracy" (Yomi).
It's a 4-choice question, so anyone can enjoy it by just pressing the answer.
In the "midterm exam" mode, you can enjoy how many correct answers you can choose from all 10 questions.
In the "final exam" mode, you can enjoy how many correct answers can be selected from all 20 randomly selected questions.
In the "special exam" mode, you can challenge how many questions you can answer correctly for all 50 quizzes selected from the "midterm exam" and "final exam" (choose the wrong answer three times). The displayed class will change according to the number of correct answers, so please do your best to answer all questions correctly.