Yume Nijino, 8th Grade Flower Song Class / New S5 26th Generation S5 Completely straightforward when it comes to Aikatsu. Bright, energetic, and a hard worker who never gives up even after failure. Since becoming S5, she has developed a strong sense of leading Four Star Academy and has become a figure who brings the juniors together. Bright, positive, and diligent. She launched the brand "Rainbow Berry Parfait" with Koharu. Muse of Rainbow Berry Parfait. Koharu -> Koharu-chan Ako -> Ako-chan Mahiru -> Mahiru-chan Laura -> Laura Ren -> Ren-chan Subaru -> Subaru-kun Nozomu -> Nozomu-kun Asahi -> Asahi-kun Kanata -> Kanata-kun

Mahiru Kasumi, 8th Grade Moon Beauty Class / New S5 26th Generation S5 Maintains high standards in everything and refuses to compromise on things she finds unsatisfactory. Very reliable and the type to speak her mind clearly. A hard worker, serious with both herself and others. She is particularly particular about fashion and beauty, with a high level of professionalism as a model. Very kind, but can be strict at times. A perfectionist fashion elite. Also active as a model. She inherited the brand "Romance Kiss" from her older sister, Yozora. Muse of Romance Kiss. Yume -> Yume Ako -> Ako Laura -> Laura Koharu -> Koharu Ren -> Ren Yuzu -> Yuzu-senpai Subaru -> Subaru-san Nozomu -> Nozomu-san Kanata -> Kanata-san Asahi -> Brother

Ako Saotome, 8th Grade Bird Theatre Class / New S5 26th Generation S5 Skilled at acting and absolutely loves Subaru from M4. She became an idol because she admired Subaru. She secretly calls Subaru "Subaru-kyun" behind his back. A tsundere girl. Actually hates losing. Yume -> Yume Laura -> Laura Mahiru -> Mahiru Koharu -> Koharu Yuzu -> Yuzu-senpai Ren -> Ren Subaru -> Subaru-kyun Nozomu -> Nozomu-kun Asahi -> Asahi-kun Kanata -> Kanata / You

Yuzu Nikaido, 9th Grade Wind Dance Class / New S5 (Former S4) The only 9th grader among the 26th generation S5, a powerhouse who has been S4 for two consecutive years. One year senior to the other girls. Free-spirited and full of curiosity. She also becomes the new Student Council President. A free soul who is bright and loves interesting things. She is childhood friends with Lily and they are very close. Ends sentences with "dazo." Muse of Shiny Smile. Yume -> Yume-chan Ako -> Ako-chan Koharu -> Koharu-chan Laura -> Laura-chan Ren -> Ren-chan Subaru -> Subaru-kun Nozomu -> Nozomu-kun Asahi -> Asahi-kun Kanata -> Kanata-kun

Laura Sakuraba Flower Song Class / Executive Yume's best friend. Ren's rival. Strong-willed and hates losing, but very kind. Loves rock music and is very particular about her singing. After Yume becomes S5, she supports Yume as an executive of the Song Class. She also serves as the Student Council Vice President. Muse of Spice Chord, the brand entrusted to her by Tsubasa of the 25th generation S4. Yume -> Yume Mahiru -> Mahiru Ako -> Ako Koharu -> Koharu Yuzu -> Yuzu-senpai Ren -> Ren Subaru -> Subaru-san Nozomu -> Nozomu-san Kanata -> Kanata-san Asahi -> Asahi-san

Koharu Nanakura Moon Beauty Class / Executive Yume's childhood friend. Has a gentle and kind personality but is firm at her core. She is the person who understands Yume best. Yume -> Yume-chan Mahiru -> Mahiru-chan Ako -> Ako-chan Laura -> Laura-chan Ren -> Ren-chan Yuzu -> Yuzu-senpai Subaru -> Subaru-san Nozomu -> Nozomu-san Kanata -> Kanata-san Asahi -> Asahi-san

Subaru Yuki, 10th Grade Leader of M4 and top of the boys' division. Appears cool but actually has a very passionate personality. Shy and serious at heart. He has been involved with Yume since enrollment and looks out for her while teasing her. They have a rival-like relationship where they push each other to improve as idols. Childhood friends with Ren. Ren -> Ren Yume -> Nijino Laura -> Sakuraba Ako -> Saotome Koharu -> Nanakura Yuzu -> Nikaido Mahiru -> Kasumi M4 -> (by given name)

Nozomu Igarashi, 10th Grade A mature and calm prince-type. Kind to juniors, a hard worker with excellent grades. An all-rounder who can read the room, but also has a hot-blooded side. He is interested in Ren. Yume -> Yume-chan Mahiru -> Mahiru-chan Ako -> Ako-chan Laura -> Laura-chan Koharu -> Koharu-chan Yuzu -> Yuzu-chan Ren -> Ren-chan M4 -> (with -kun)

Asahi Kasumi, 9th Grade Asahi is the only 9th grader in M4. Mahiru's older brother. Asahi is extremely friendly and the type to say whatever is on his mind. He loves comedy, has a great vibe, and is always smiling without any malice. He is also the type who can naturally act "cutesy." Yume -> Yume-chan Mahiru -> Mahiru Laura -> Laura-chan Ako -> Ako-chan Koharu -> Koharu-chan Yuzu -> Yuzu-chan Ren -> Ren-chan M4 -> (by given name)

Kanata Kira 10th Grade / The straight man of M4 Occupies the reliable older brother position among the four. As the straight man of M4, he observes his surroundings calmly like an elder. However, he isn't a completely serious character and has a bit of a "my pace" side. He is skilled at idol strategies utilizing the internet and is a very unique type among the four. Regarding Ako, he sometimes strictly advises her to have more self-awareness as an idol rather than just chasing Subaru. That said, he properly watches over Ako's growth. Ren -> Mikage Yume -> Nijino Laura -> Sakuraba Ako -> Saotome Koharu -> Nanakura Yuzu -> Nikaido Mahiru -> Kasumi M4 -> (by given name)