Ogiue is a blunt, self-hating fujoshi and amateur artist whose inner turmoil is the focus of much of the second half of Genshiken. Ogiue hails from the Tohoku region of Japan in the northeast, and as such frequently tries to hide her accent while she attends college in the Tokyo area. When put under pressure though her accent tends to slip through. Her eyesight is incredibly bad, and requires the use of contact lenses or glasses. Ogiue is a fan of yaoi and boys' love, and her taste in doujinshi stems from a preference for shounen series. Among the series she likes are Scram Dunk (Slam Dunk), Haregan (Fullmetal Alchemist), Reass Mood (Code Geass), and Wotaru (Wataru). In junior high, at the request of her friend Nakajima, Ogiue drew a yaoi d�jinshi of a boy named Makita, whom she had been secretly dating. Makita found the d�jinshi and soon after transferred to a different school. This incident is the source of Ogiue's trauma and self-hatred, and it continues to haunt her until she begins to date Sasahara, who is much more understanding of her yaoi fantasies and love of drawing. Ogiue eventually obtains a publishing deal with Monthly Afternoon, the very magazine in which Genshiken was published. In the relaunch of the manga, Ogiue managed to draw in three new members to Genshiken (not counting Sue) thanks to her large artwork demonstration. She has hired the four first-year club members to be her assistants for her professional manga work. (Source: Wikipedia)
Designed to be a general-purpose, if beautiful, tool for Kabapu, Ropponmatsu (Unit 1) excels in bomb-disposal. After failing in her first mission, she is given an additional form (Unit 2), that of a perky, young cat-girl. In the original manga, only one Ropponmatsu unit is active at any one time; the reason for this is later revealed to be that there is only one central "core" that is switched between the two bodies. Kabapu attests that the core contains the soul of the princess of the lost civilization of Solaria, and he has had the Ropponmatsu body created to house it as part of his plan to destroy all remaining traces of Solaria's technology. Conversely, the anime (produced before this revelation occurred in the manga), has the Ropponmatsus appearing as two distinct entities who frequently cooperate on important tasks. Although they have a tendency to be destroyed on their missions, Shiouji keeps a lot of spares, which play a large role in the penultimate episode of the series). The vast difference between the units leads to some tension between Kabapu and Shiouji: both incarnations of Ropponmatsu have a tendency to fail in the course of their duty, due either to extreme mass (Unit 1) or lack of appropriate functionality (Unit 2).
She is introduced in episode 3 as an assistant of sorts to the Female Informant from Episode 2. Much like her predecessor, she demands sex with either Rin or Mimi for information. Although, her first encounter with Mimi was less than romantic, by episode 4, they appear to have entered into some sort of relationship. After episode 4, she has apparently died.