Hogwarts: Start as President

William, who traveled back in time to become Hermione's younger brother, originally just wanted to spend his days at Hogwarts peacefully, but unexpectedly the system appeared... In order to better complete the system tasks and obtain rewards, William began to try to establish an association, but he did not expect that the association, which was originally founded just to make money, had a strong influence in the wizarding world. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.