|Eye Color||Dark brown|
|Hair Color||Dark teal|
|Family||Tetsuya, Hiroshi (younger brothers)|
|Occupation||Junior High Student|
|Magical Item||Jewel Charm|
Minami's hair is dark teal and her eyes are dark brown, and she's the tallest of the three protagonists.
She wears a white shirt, a black skirt, red socks and blue and white shoes. She is often seen with a black necklace decorated with turquoise pearls at the end, with Garnet's Jewel Charm in the middle.
Minami Asaoka is Rinko's childhood friend and Garnet's human partner. Also 14 years old and attending junior high school, Minami is a member of the school's Kendo Club whose family owns an Okonomiyaki shop in the city Suburbs. She's very tomboyish and uses her Kendo skills in some situations. Her favorite color is secretly Pink, as it is revealed that Garnet only knows about it.
Minami has a crush on her club senior Hisashi. Garnet wants to make him love her too, but Garnet fail in most of the end. But at the end, Hisashi Miyamoto looked like he had a crush on her in Episode 5. At the end of the final story arc, we can see her trying to get the perfect outfit for a date with him.
She is also very supportive to Rinko in the situations where she may give up in a battle. And despite her personality, she likes the color pink and stuffed animals shown in how she decorated her room pink. She helps Rinko and Aoi in finding the lost Jewelpets on Earth. Minami is one of the characters in the first season whose mother is not shown.