1# Mao Otoha/Hana
Aria Futaba
Aria has met Mao/Hana in her dream until she wake up after sleeping. This fateful meeting will lead Aria leave Neo Venus Ark and her world by moving to the world of where Dressia were coexist humans. When Aria has encounter Hana (Mao) at the Dressia World (Aikatsu Planet) for the first time in reality. When Hana went back to Starlet Promotion of Real World by change back to Mao, Mao was surprised Aria has come to Real World for first time, learning that Aria is not an avatar but an real person. Mao decided to help Aria learn about Dressia and forms an bond with her.
Wakaba Harukaze
Wakaba is Mao's/Hana's friend from the world of Pure Palette (Friends! World). She help her to preparing for special live event which was held at Dressia World (Aikatsu Planet) along with Ruli and the others.
Yume Nijino
Yume met Mao/Hana at Seirei Private High School of Real World. The two became fast friends.
2# Ruli Tamaki/Ruli
Tsubasa Kisaragi
After Tsubasa saw Ruli acting skill was very weak during the practice for Meruli web drama. She train her in order to improve her acting skill as the one of her choice of punishment.
Mio Minato
Ruli admired Mio very much. Ruli is heavily inspired that she made Colorful Meruli for her brand, MELTYHOUSE.
3# Kyoko Umekoji/Beat
Seira Otoshiro
Seira has encounter Kyoko/Beat during she playing an drum at Seirei Private High School of Real World, they quickly bonded and became quick friends.
Rola Sakuraba
Rola met her during she follow her to Starlet Promotion of Real World because Kyoko/Beat has an passion of rock just like Spiky Pineapple who follow her to Bloomy*Café.
4# Ayumi Tsukishiro/Q-pit
Elza Forte
Elza is Ayumi/Q-pit greatest perfect friends and rivals.
Raki Kiseki
When Ayumi discover her three of self-created dress was never acknowledge by Aikatsu! System. She had Raki to face the trial by borrowing the power of Dressia in order to acknowledge by Aikatsu! System.