Maid Sama

Ayuzawa Misaki is the student council president of the former all-boy school, Seika High School. In order to protect the girls, she battles the boys every day. On the other hand, she secretly works at a "Maid Cafe". But a popular boy from school, Usui Takumi, found out! Living in between the double identity of a Maid and a student council president~

Also included in this manga is a short story called Toumei na Sekai in volume one (Ch 4.1).