Kishou Taniyama

Ikuhara Takeya is a high school student living a normal life. He is not interested in the commotion around a UFO filled with beautiful alien females that crashed on earth a year ago. The aliens, known as DearS, are deciding to take permanent residence on earth. What no one knows is that these aliens are a slave species whose sole purpose is to serve and please their masters. One day, Takeya spots a person shivering behind some bushes. (myanimelist.net)

Meet Suzuki Mika, teacher at Okitsu High School. Mika-sensei is a good teacher, but she has a small problem... literally. Although she's 27, she is only 148 cm tall, and has the face of a child. As a result, it is often difficult for Mika-sensei to get anyone to take her seriously. (myanimelist.net)

In the scientifically advanced Academy City, a miracle is about to occur: the completion of the world's first space elevator, "Endymion." Meanwhile, a certain high school student, Touma Kamijou, and his companion Index are going about their daily lives when they encounter and befriend Arisa Meigo, a cheerful and ambitious singer. When strange occurrences begin taking place throughout the city, they lead to the discovery of an intricate plot surrounding Arisa and Endymion. [...] (myanimelist.net)