There's a mirror in the stairwell in old school building. It is said that this mirror is a doorway to a parallel world where any wish will be granted.
What happens when three friends venture to the other side in search of their troubled friend Ryuu?

Brilliant and overachieving, Misaki Ayuzawa is the President of the Student Council at Seika High School, formerly a boys' school. Unfortunately, most of the students are still male and stuck in their slovenly habits, so man-hating Misaki really socks it to 'em in an attempt to make the school presentable to attract more female students. But what will she do when the sexiest boy in school finds out that after school, Misaki works in a maid cafe.

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

Training, studying, and even becoming the first female student council president of the school, Misaki has gained a reputation among the male students body as an uptight, boy-hating dictator and as a shining hope for the teachers and fellow female students. However, despite her tough-as-nails appearance, she secretly works part-time at a maid café in order to support her family. Unfortunately, her hard-earned reputation is threatened when the popular, attractive, and somewhat impassive Takumi Usui takes an interest in her after discovering her in a maid uniform after school.

Michiru likes Makoto who has been hospitalized because of his heart condition. When she hears that he dies, she's utterly heartbroken. One day while wondering near a lake, she spots Makoto and his best friend talking! "What, but i thought you died!?" ~Love_blossom

「Kaichou wa Maid-sama!」 x 「Yuki wa Jigoku ni Ochiru no ka」 Special Collaboration Oneshot!

Kouga Nagahisa never tries his hardest in life and he's in love with the prettiest girl Hananoi Mizuki. Mizuki has her childhood friend Kusakabe Riki who is the star of the basketball team. When Nagahisa gets home after school, he's in for a surprise.

The "military history story concerning boys and girls" revolves around Yuki, a girl who has lived in the rural area of Kyoto with her six childhood friends who all share a secret that they cannot tell anyone. On her 16th birthday, Yuki's fate begins to change.

(Source: ANN)