Nana

The sister of the protagonist Nanashi and a heroine from Akiba's Trip: Undead and Undressed. She is known as Nana Kasugano (春日野ナナ Kasugano Nana?) in the manga. She is a girl very affectionate of her older brother and was about to start her first year in High School. She became a shut-in and has a huge liking for cat-based merchandise. Clearly not one to take the initiative and interact with others, her quirky mannerisms and stilted, anime-and-game-inspired speech patterns make her difficult to talk to. She rarely comes out of her room nestled in the back of the Freedom Fighters' home base, to the point where others joke that she is something of a "secret character". She had initially been referred to as Sister (妹 ?), referring to her status as the sister of the protagonist from the second game. She is 15-16 in-game