shojo

Japanese kanji: 少女 - Japanese romanji: shōjo - Literally "young woman".
A term used to indicate manga and anime aimed at youg girls since school age to age of majority (currently 20 in Japan).

Candy Candy is one of the most popular shojo which has marked the manga history in Japan.

shoujo

A Japanese term (少女, romanized as shōjo, literally "young woman", for indicate manga and anime aimed at young girls.

Osamu Tezuka's Princess Knight manga is considered the first shoujo of the manga history.