Sailor Juno was a member of the Sailor Quartet and appeared only in the Sailor Moon manga and musicals.
After the Amazoness Quartet were defeated and reverted to their Amazon Stones, Sailor Saturn brought the Stones to Neo-Queen Serenity and asked her to use her power on them. When she did the Sailor Quartet appeared, and revealed that they had been sleeping in the Amazon until Sailor Chibi Moon needed them as guardians. The four Sailor Senshi then returned to their sleep until the 30th Century.
In the Stars arc of the manga the Sailor Quartet appeared as Sailor Chibi Moon's guardians, and helped her fight.
- Amazoness Jungle Arrow - Sailor Juno used this group attack in conjunction with the other members of the Sailor Quartet.
- Pink Ladies Freezing Kiss - Sailor Juno used this group attack in conjunction with the other members of the Sailor Quartet and Sailor Chibi Moon.
- Her choker, collar, and skirt were green and the center of her brown front bow was a green five-pointed star. She had round white puffed sleeves with two strips of white fabric attached to the bottom. Her gloves went up to her upper arms, and were edged with three strips of green fabric. Her back bow was light green. Her boots were knee-high and white, and had a green V-shaped border with a five-pointed star at the top. Her tiara gem was a green five-pointed star and her earrings were green hoops.
The asteroid of Sailor Juno's guardianship, Juno, is named for the Roman goddess Juno, who was the queen of the gods.