Yameme vs Math Demon

In this new Yameme series, a new student, Feng, is added as a new character. Feng plays mobile games with Yameme and her friends as a group to bring out the worldview of the game world. In the first episode, all people in Eastern Town become poor in mathematics because of Toad’s wish. The math demon takes the opportunity to mess around, leading to a crisis in the normal world. Can Yameme and her friends compete with the math demon to help the world return to normal?