Also known as: 久保直子
A character from the adult visual novel Zenkoku Seifuku Bishōjo Grand Prix produced by the Lyceen company in 1996. She was a contestant in the West Area group of girls. In the final tally of fan votes as noted on in the Bunkasha Official Illustrated Book series 004 showing stills from the game, Naoko came in fifth place with 903 votes.
Name: くぼ なおこ
Hometown: Mihara Ward, Sakai City, Ōsaka Metropolis
Age: 17
Birthday: 11 May
Blood Type: AB
Height: 162 cm
Weight: 48 kg
Three Sizes: 85/54/85 cm
Relatives: Unnamed father and elder brother
Other West Area contestants
Kubo Naoko 久保直子
Minegishi Ruriko 峰岸るり子
Arimori Kei 有森恵
Ishida Nagisa 石田渚
Taniguchi Mari 谷口麻里
Sakakibara Chiharu 榊原千春
Sawada Minako 沢田美奈子