Shibuya Tomochika
Image Color: Dark red
Age (Game): 16 (UN☆PS♪/R), 18 (D/AS)
Age (Anime): 16 (Season 1), 18 (Season 2), 21+ (Season 3)
Birthday: July 7
Star Sign: Cancer
Blood Type: O
Height: 163cm
Weight: 49kg
Instrument: Electone
Hobby: Boxercise
Roommate: Heroine / Haruka
Voiced by: Yuka Imai
- Affectionate Nickname: Haruka calls her "Tomo-chan."
- The Confidant: Along with Otoya, she acts as Haruka's main emotional support in the anime.
- Curtains Match the Window: A shade of reddish-pink.
- The Fashionista: More girlier than Haruka; she's more interested in things like fashion and makeup than Haruka is. In the second season of the anime, she helps create ST☆RISH's UtaPri Award costumes.
- Flanderization: In the anime her life seems to revolve around Haruka. In the games, she's frequently seen interacting with the Class A boys on her own, although her main function is still being a Shipper on Deck for whoever Haruka wants to pursuit.
- Genki Girl
- The Glomp: To Haruka in the first episode.
- Idol Singer: Enrolls in Saotome Academy to become one.
- Meaningful Name: "Tomo" means "friend", although her name is written using different kanji.
- Satellite Character: In the anime and other games beside Repeat she doesn't do much beyond "be Haruka's best friend." She doesn't interact much with the boys, and we don't even get to see her idol debut.
- Shipper on Deck: In the games, specially Repeat.
Tsukimiya Ringo
Image Color: Dark pink
Age (Game): 23 (UN☆PS♪/R), 24 (AA), 25 (D/AS))
Age (Anime): 23 (Season 1), 25 (Season 2), 27+ (Season 3)
Birthday: September 15
Star Sign: Virgo
Blood Type: A
Height: 173cm
Weight: 56kg
Hobby: Photos
Voiced by: Yūichi Nakamura
- Attractive Bent-Gender: Is always seen crossdressing.
- Even the Guys Want Him: His students are fans of him, including the male ones.
- The Gadfly: Enjoys making fun of Ryuya.
- Hidden Depths: He wishes he was a normal male idol, instead of being forced to crossdress.
- Hot Teacher: Whether he's cross-dressing or not.
- I Kiss Your Foot: In his Love ending in All Star.
- Important Haircut: In his route in Sweet Serenade, he cuts his hair short before his first date with Haruka. In all following appereances in public he wears a wig.
- Rose-Haired Sweetie: Especially when crossdressing, Ringo is very upbeat and sweet.
- Student/Teacher Romance: Should you decide to pursue him.
- Sensei-chan: Subverted. He's cute, friendly and even tells his students to call him "Rin-chan", but he takes his job as a teacher seriously and he won't grant his students special favors.
- Sensitive Guy and Manly Man: Sensitive guy to Ryuuya's manly man.
- Technicolour Eyes: Blue with pink pupils in the games. In the anime and the original version of the first game they are plain blue.
- Those Two Guys: To an extent with Ryuuya.
- Wholesome Crossdresser: Wouldn't think he was a man just by looking at him.
Hyuuga Ryuuya
Image Color: Dark blue
Age (Game): 26 (UN☆PS♪/R), 27 (SS), 28 (D/AS)
Age (Anime): 26 (Season 1), 28 (Season 2), 30+ (Season 3)
Birthday: May 15
Star Sign: Taurus
Blood Type: A
Height: 192cm
Weight: 85kg
Hobby: Bike
Voiced by: Koji Yusa
- Action Hero: What most of his roles are.
- Brutal Honesty: In the anime, he doesn't hesitate to tell Ren and Tokiya that their performances will get them kicked out of S class if they don't shape up.
- Cool Bike: In the games.
- Curtains Match the Window: In the games. In the anime, his eye colour was changed to blue.
- Hot Teacher: He's a handsome movie star.
- It's All My Fault: Blames himself for the death of his and Ringo's composer and quit being an Idol Singer because of it.
- Sensitive Guy and Manly Man: Manly man to Ringo's sensitive guy.
- Stern Teacher: He's strict and dislikes people who aren't serious about their jobs, in contrast to Ringo's Sensei-chan approach.
- Student/Teacher Romance: Should you decide to pursue him.
- Testosterone Poisoning: Every movie he stars in, it seems.
- Those Two Guys: To an extent with Ringo.
Shining Saotome
Click here to see how he looked as an idol
The principal of the Saotome Academy, a prestigious idol school, the largest of hams. He was an idol, and it was possible to build Saotome Academy because of his hit single, "Owing to Love". He has a habit of spying on students and popping up at random times.
Image Color: Dark yellow
Age: Unknown
Birthday: November 22
Star Sign: Sagittarius
Blood Type: O
Height: 2m
Weight: 0.1t
Hobby: School reconstruction
Voiced by: Norio Wakamoto
- Alliterative Name: Although Shining is probably a nickname. His real name is Mitsuo.
- The Chess Master: In the anime, he seems to orchestrate ST☆RISH and QUARTET NIGHT's lives at his will, far beyond mere musical production.
- I Was Quite a Looker: Official art shows he was quite attractive in his idol days.
- In Mitsuo form he counts.
- Luke, I Am Your Father: In the games he's Otoya's father.
- No Celebrities Were Harmed: He's based on Johnny Kitagawa, founder and owner of the (in)famous male idol/boy band production agency, Johnny & Associates.
- One-Hit Wonder: In-universe. He had one best-selling single, "Ai yue ni", before retiring and funding Saotome Productions and the academy.
- Only Known by Their Nickname: His real name is Mitsuo.
- Pet Monstrosity: Keeps an entire zoo in his house. Special mention goes to his tiger Rodriguez, who attacks some of the boys on occasion.
- Strong Family Resemblance: Mitsuo has a similar hairstyle to Otoya. In the anime, his resemblance to Otoya is even more pronounced
- Trapped in the Past: In the Amazing Aria fandisc, he creates a time machine that sends him into the past and brings his 14-year-old self, Mitsuo, into the present.
- Trrrilling Rrrs: Part of his speech.
Yajima Daiki
Tomochika's partner composer in A Class.Kisaragi Aine
A famous idol who is also Reiji's best friend, who went missing before the series.- Adapted Out: Despite the revelation of Ai being a robot, Aine does not appear in the anime series.
- Driven to Suicide: He got tired of his life because of his hectic and busy schedule, and planned on drowning himself in the sea.
- Walking Spoiler: He is a prominent character in Reiji's and Ai's backstories.
Otonami Kei
Katagiri Hibiki
Mori Haruki
Ryuuya and Ringo's partner composer during their time at the academy. He passed away three years prior to Sweet Serenade when he was hit by a car while retrieving Ryuuya's lucky item. A game-only character.Hoshikage Seira
- Green-Eyed Monster
- Stellar Name: Her last name means "starlight".
