This is a great anime, especially for unexperienced people to the anime/manga world. The storyline is as such, the main character, Mihuzo Kazami, is an alien sent from the galactic federation to observe earth, but poses as a teacher to blend in. She's half-human, father was an earthling, and super sexy. Kei Kusanagi, a student in the school with strange debilitating illness that renders him in a standstill, discovers her secret and is discovered with her by his principal. His disease causes him to blackout from stress and once was in a coma for 3 years, causing him to be 18 but to look 15 because for some reason his body did not age during his coma. He is the worlds only case, or is he? In order to save his sensei he declares that they are married as a cover up, to his principal, but his friends are the ones that the secret will be most unknown. They actually do marry to save the career of Mihuzo. A series of events take place with Kei and Mihuzo dealing with love, loss, jealousy, and of course, some comedic "suggestive" scenes. A word of advice for those new to anime, don't try watching all 12 episodes at once, it can really mess you up, believe me! But, then again, it truly is awesome.