Harada Mariru – Harada Mariru, on the cover of the book "Otaku Spaces," is a "manga sommelier," who won more than 13,000 manga, 1000 limited-edition anime DVDs and 7000 video games.
Aki – Aki describes herself as a seiyu enthusiast (a fan of voice actors) and a fan of homoromantic (yaoi) manga.
Quintessa – "Quintessa" is a Japan Railways system engineer by day, but at home he prefers to wear robot masks and ultility belts while striking "transformation poses."
Ishizaki Yushin – Ishizaki Yushin is proud of his otaku status, decorating his "apartment" (which is actually the closet of his parents' bedroom) with transforming robots and 2D women.
Nakayasu – Nakayasu is a professional otaku who collects toys based on anime series and tokusatsu (live action special effects shows) and sells them as a side business.