Sailor Moon is a Japanese shōjo manga series written and illustrated by Naoko Takeuchi. It was originally serialized in Nakayoshi from 1991 to 1997; the 52 individual chapters were published in 18 tankōbon volumes.
The series follows the adventures of the protagonist Usagi Tsukino, a middle school student who is given the power to become the titular Sailor Soldier. Joined by other Sailor Soldiers, Usagi defends the planet against an assortment of evil villains. The anime also parallels the maturation of Usagi from an emotional middle school girl to a responsible young adult.