The main cast members of the Ebiten: Kōritsu Ebisugawa Kōkō Tenmon-Bu anime were announced on Friday. SCA-ji and Kira Inugami's original manga centers around Itsuki Noya, a transfer student who wishes to join Ebisugawa High School's astronomy club (tenmon-bu). However, the club Itsuki joins is nicknamed "Tenmon-bu" — a club for fujoshi (female otaku).