It takes a great talent and skill to conceal one's talent and skill.

S1, E2: It takes a great talent and skill to conceal one's talent and skill.

Available on Funimation, Prime Video
With their first midterm exam approaching, Class D needs to find a way to improve their class average, or face another month with no points to spend. Even Horikita decides to take part, forming a study group to help the class underachievers.