Thirty years ago a strange phenomenon called a "spacequake" devastated the center of Eurasia, claiming the lives of at least 150 million people. Since then, smaller spacequakes plague the world on an irregular basis. Shido Itsuka, a seemingly ordinary high schooler comes across a mysterious girl at the ground zero of a spacequake and learns she is one of the "Spirits" who are the real cause of the spacequakes that occur when they manifest themselves in the world. He is recruited to make use of his mysterious ability to seal the Spirits' powers thus stopping them from being a threat to mankind. However, there is a catch: to seal a Spirit's power, he must make her fall in love with him and kiss him.

Down-on-his-luck Koushi Nagumo wanders the streets unemployed, homeless and in search of his next meal. His fortunes improve after a chance meeting with a vivacious young woman whose proposition seemingly solves nearly all his problems. Thanks to her, Koushi enters the welcoming halls of a dormitory at a women’s college… only this particular assignment is no stuffy, sleepy affair. The Goddess’ Dormitory is known for housing the college’s most unruly students! If he wants to keep a roof over his head, Koushi must become the “Dormitory Mother” charged with maintaining order and good discipline. But doing his job and keeping his sanity are no small feat with characters as endearingly eccentric and untamable as these!

Noya Itsuki just transferred to Ebisugawa High School. Since he has always had a fascination with space, he decides to join the Astronomy Club; however, he mistakenly walks into the Asstronomy Club-a club whose members are all female otaku. Itsuki notices that the members are really weird, but he has yet to realize that he joined the wrong club. His life becomes very strange very quickly.

The anime centers on four girls at the full bloom of their youth, working hard to achieve their dreams as they struggle valiantly. In Japanese entertainment, Maesetsu! refers to an introductory talk or explanation addressed to the audience before the broadcast of television programs, usually performed by assistant directors and particularly comedians in variety or comedy shows.

At a school full of geniuses from varying fields of study, Taketo Akutagawa has a special – albeit different – genius as well: writing harem novels. Now amongst the other geniuses, he aims win the interclass competition and be recognized as the world’s greatest harem writer.

An OVA for R-15 bundled with the tenth volume of the novel.