Saki Kasukabe

Saki Kasukabe (春日部 咲 Kasukabe Saki) is a student at Shiou University and the only non-otaku main character. She is the childhood friend/girlfriend of Makoto Kousaka who initially hates otaku and their lifestyle, but she is forced to hang around the Genshiken in order to be with Makoto. Later on, she is compelled to become a member herself.