She has blue eyes and short dark hair while wearing a purple headband with bat wings. But in PriPara she increases in height and her hair becomes longer.
In contrast to her best friend, Mikan's personality, Aroma is a troublesome girl who acts like a devil. However, when she was in kindergarten, she was a shy soft-spoken girl until she saw her birthday and starts to act like a devil from that day. She may get out in character sometimes and sometimes say ~devi.
- Laala Manaka - She wants Laala to be in her Dream Aromageddon as an angel with Mikan. However, Laala chooses to reform SoLaMi Smile. They're also part of two Dream Teams together:"Solamaggedon Mi" and "FriendAll".
- Mirei Minami - At first, Mirei disliked her but eventually befriends her. They're also part of two Dream Teams together:"Solamaggedon Mi" and "FriendAll".
- Sophie Houjou - They're part of a Dream Team together:"Solamaggedon Mi".
- Shion Toudou - She wanted her to be part of her Dream Aromageddon as the neutral one but Shion chooses to reform Dressing Pafé.
- Dorothy West - She wanted her to be part of her Dream Aromageddon as a devil with her but Dorothy chooses to reform Dressing Pafé.They were part of a Dream Team together:"Friend All".
- Gaito - An evil deadly vocal doll who diffrided Aroma. He is a vocal and a member of Alstroemeria.
- Mikan Shiratama - They are best friends since kindergarten and are part of the unit Aromageddon. They are often seen together.They were part of two Dream Teams together:"Solamaggedon Mi" and "Friend All".
- Yoshi Ayasaki/DJ Zeroth - A DJ who founded Alstroemeria and plans to reform PriPara into RecoPara (Record Paradise). While being diffrided by Loolo, Yoshi recommended Gaito to diffride Aroma as Gaito's vessel.
- Loolo Monoko - Laala's evil shadow who wants to destroy PriPara. While diffriding Yoshi, Loolo recommended Gaito to diffride Aroma as Gaito's vessel.
- Haruka Bokerdole - They met each other when Aroma was in trouble: she had to perform during a girl's birthday, but got double-booked, so Haruka performed for her (see Haruka's Debut Live). Since that day they met in PriPara and became great friends. Aroma wants to form a Dream Team with her and Mikan.
- She is the first known idol to not have any wings/feathers on her Cyalume Coord.
- She shares her birthday with the child character Shigure from Fire Emblem Fates.
- She was born the 6/6 at 6 o'clock, which supports her devil character.