○○ se yo!! Sengoku Gakuen Seitokai

This manga takes place in a school where the students are based on famous shoguns in Japanese history. Sengoku Gakuen was once like a normal school but Oda Nobunaga, the student president overthrew the teachers and practically made them powerless. He built a school of the students, for the students and by the students. Nobunaga eventually graduated and left Hideyoshi in charge as the student president. However, Hideyoshi soon drops out of school to help Nobunaga rule Japan as he ruled Sengoku Ga...