|Kanji Name||田中 恵子|
|Romaji Name||Tanaka Keiko|
Keiko Tanaka (田中 恵子 Tanaka Keiko?) Kaoru's friend. She has a crush on a boy in her class and confesses to him. Later, Junichi and Kaoru give her advice on various things.
She has short, dark brown hair and brown eyes.
A quiet, shy type that is always smiling.