Nami is a classmate of Ichitaka, Iori, Teratani, and others, and is generally the mood-maker of the group whenever they are all together on a trip, school project, etc. She is very energetic and cheerful and loves to express herself, though her tomboyish and carefree attitude can make others feel awkward at times. She comes from a very rich family, as it is evident halfway through the manga when the group comes over to her house to organize a group project. Some interpret her as a female pervert, since she has tried to get people to sleep together and has shown off her body numerous times.
A new transfer student to Hakuou Academy, and a new tenant to the Violet Mansion. She first appears as the replacement for Wataru Tachibana at Hakuou. She soon becomes good friends with Nagi. She is very into games, anime and manga, due to her early childhood. She was first introduced in the movie, Heaven is a Place on Earth before being introduced in the manga. It is revealed that due to her parents that she has always been around anime, manga, and games since she was born and had read over 100 000 manga. It said she was named after Lady Kayura from Ronin Warriors. Hayate asked her to become an adviser for Nagi's manga, but she refused. She is also very supportive of cosplay, and often is seen wearing a costume of some anime. As with most other characters that go to Hakuou Academy, she is also a grade-skipper. Due to her manga experience, she is also able to understand Nagi's doujinshi manga, along with Isumi. According to Hayate, she is an elite Otaku. (Source: Hayate no Gotoku Wikia)
The mechanic and driver. Taciturn. She spends most of her time repairing the Takemikazuchi. 15 years old. In episode 11, we know that Helvetian Headquaters used her engineering abilities to rebuild a biological weapon facility (which was used in war), because of that, Roman soldiers gave her the nickname "Die Hexe aus Helvetia" (Helvetian Witch). The chemical weapon developed at the facility was called the "Invisible Reaper".