Princess Serenity is a character from the popular anime and manga series Sailor Moon. She is the princess of the Moon Kingdom and is known for her beauty, grace, and kind heart. In her civilian form, she is also known as Usagi Tsukino, a high school girl who transforms into the warrior Sailor Moon to protect the Earth from evil forces. As Princess Serenity, she possesses powerful abilities and is the reincarnation of the Moon's guardian. Her story revolves around love, sacrifice, and the battle against the dark forces led by Queen Beryl. Throughout the series, she learns about her past life and her connection to Prince Endymion, the prince of the Earth Kingdom.