Ebiten: Kōritsu Ebisugawa Kōkō Tenmonbu (えびてん 公立海老栖川高校天悶部 lit. Ebisugawa Public High School Astronomical Club?) is a comedy manga series by Kira Inugami and SCA-ji, serialized in Kadokawa Shoten's Comp Ace magazine. Three volumes have been released as of June 2012.
An anime adaptation by AIC premiered on niconico on July 14, 2012. While the title was originally distributed via live streaming on the niconico (formerly Nico Nico Douga) video service, the television broadcast for the series will feature longer episodes. It will start airing in October, 2012.
Following the series, an OVA episode will be bundled with the fourth volume of the manga, scheduled for release in December 2012.
"Noya Itsuki just started his school year at the Ebisugawa High School and since he has always had a fascination with space, he decides to join the astronomy club. However, he mistakenly walks into the all girls Otaku Club. He notices that the members are really weird, but Itsuki has yet to realize that he isn’t in the astronomy club. His life is about to get complicated by being surrounded by so many girls."