QUARTET NIGHT in general
- Ascended Extra: Main characters in All Star, its fandisc After Secret, the anime's third season, and Shining Live.
- Color-Coded for Your Convenience
- Reiji - Green
- Ranmaru - Burgundy / Carmine
- Ai - Lavender
- Camus - Cyan
- Four-Temperament Ensemble:
- Reiji is sanguine.
- Ranmaru is choleric.
- Ai is melancholic.
- Camus is phlegmatic.
- Image Song: "POISON KISS", "QUARTET★NIGHT", "Marriage" and "Evolution. Eve".
- Lucky Charms Title: As QUARTET★NIGHT in the anime.
- The Rival: Towards ST☆RISH in Revolutions, in terms of both music and Haruka's attention.
- True Companions: Become this by Revolutions in the anime. In the games, they barely tolerate each other, although later they stablish some friendships they still work better solo rather than as a group.
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Kotobuki Reiji
Image Color: Dark green
Age (game): 25 (D/AS), 26 (ASAS)
Age (Anime): 25 (Season 2), 27+ (Season 3)
Birthday: July 13
Star Sign: Cancer
Blood Type: B
Height: 173cm
Weight 61kg
Instrument: Maracas
Hobby: Driving
Hometown: Saitama
Roommate: Otoya, Tokiya
Voiced by: Showtaro Morikubo
Tropes applying to all works
- Affectionate Nickname: Otoya calls him "Rei-chan", and Natsuki calls him "Rei-chan-senpai".
- Bizarre Instrument: How many idols have the maracas as their instrument?
- Bunny-Ears Lawyer: Though acts mature when need be.
- Cool Car: Drives an old beetle type green car.
- Curtains Match the Window: In the games. In the anime, his eye colour was changed to grey.
- Family Business: His family owns a bento shop.
- Former Child Star: In the anime he claims to have been this. In the games he's an alumni of Saotome Academy, and became an idol after graduating. He still seems to have done some work before enrolling, however.
- Image Song: "Dekiai Temptation", "Itoshiki hito e" and "Kiss wa Wink de". In the anime, it's "Never...".
- Nice Guy: Is the most approachable of the senpai. In the anime he's the most concerned about ST☆RISH's possible dissolution at the hands of HE★VENS.
- Older Than They Look: He's the oldest of the senpais, but looks like a teenager. He's also the shortest out of all the senpais.
- Strange-Syntax Speaker: Likes to play with words. For example, saying "mengo mengo" instead of "gomen gomen".
- Supreme Chef: Ranmaru can even be bribed with Reiji’s cooking.
- The Nicknamer: Calls Ranmaru ‘Ran-Ran’, Ai ‘Ai-Ai’ & Camus ‘Myu-chan’. He also nicknames Otoya ‘Otoyan’ and Tokiya ‘Tokkii’. He calls Haruka "Kouhai-chan" (which means "Junior-chan"), and later in his route "my girl" (in English).
- The Prankster: Ranmaru is usually his target because he thinks his reactions are amusing.
- The Tease: In the anime. In the games, he's more of a Covert Pervert, and his advances don't come as early.
- Trademark Favourite Food: Karaage (fried chicken) and ice cream. When either of these foods is involved, he becomes so invested in them it makes Ai worry he'll grow fat.
- Vitriolic Best Buds: With Ranmaru.
Tropes applying to the games and drama CDs
- Dark and Troubled Past: Deep inside, he blames himself for Aine's disappearance.
- Disappeared Dad: His father left the family when he was young.
- Double Entendre: In his All Star love ending, he claims to have the key to Haruka's heart lock necklace he gifted her earlier. This could be nothing more than romantic, if they weren't in a hotel with Reiji pushing Haruka down in a bed.
- Foreign Culture Fetish: He seems to like the UK a lot (or at least, the Union Jack): he has a flag hanged in his room and his Idol Produce t-shirt has a Union Jack hat.
- His love for the UK has been confirmed as of After Secret, where he takes Haruka to London.
- It's All My Fault: He believes that it's his fault that Aine disappeared and was Driven to Suicide and that the rest of his best friends hate him now.
- Performance Anxiety: In All Star, he's had his singing career on hiatus for a while due to this.
Tropes applying to the anime
- Aborted Declaration of Love: From Revolutions: "I love you... Just kidding!"
- Double Entendre: His final line at his first appearance in Revolutions is "Let's enter the world of adults together". Oh, Haruka, if you only knew what he meant...
- Flanderization: The anime averts his tragic past and trust issues and goes full on his The Casanova side.
- The Leader: In the anime, he comes across as this for QUARTET★NIGHT. He gets the most lines and is the one whose feelings for Haruka come across as most serious. In his route in All Star, he gets appointed as this too.
Kurosaki Ranmaru
He will catch the dream even if he will lose his property and position.
A rather rude and harsh idol who becomes Masato and Ren's senpai. He's a rock idol who used to play in several bands before joining Shining Productions. He plays the bass.
Image Color: Burgundy/carmine
Age (game): 22 (D/AS), 23 (ASAS)
Age (Anime): 22 (Season 2), 24+ (Season 3)
Birthday: September 29
Star Sign: Libra
Blood Type: A
Height: 182cm
Weight 67kg
Instrument: Bass
Hobby: Napping
Hometown: Miyagi
Roommate: Masato, Ren
Voiced by: Tatsuhisa Suzuki
Tropes applying to all works
- Affectionate Nickname: Reiji calls him "Ran-Ran", Ren calls him "Ran-chan" and Natsuki "Maru-chan". His friend Bob calls him Randy in After Secret.
- But Not Too Foreign: His father is Japanese while his mother is Italian-American.
- Big Eater: Specially if meat is involved. However, he's still quite slim.
- Engrish: Uses this as part of his rock singer image. It's revealed in the games that he actually learned English properly when he was young.
- First-Name Basis: With everyone except Haruka.
- Flower Motifs: To an extent. The "ran" kanji in his name means "orchid" (and in his signature he actually writes his name as "Kurosaki Orchid"). Camus often insults him telling his hair looks like a dandelion. And in After Secret, he gives Haruka a bouquet of flowers in his first CG.
- Food as Bribe: Any food from the shop of Reiji's family.
- Hair Color Dissonance: Averted. In After Secret Masato and Ren refer to his hair as "silver". However, it's not his natural colour as the latter two are surprised upon seeing him again in years.
- Hard Rock: Although the genre he plays is simply called "rock", he seems to be mostly influenced by this.
- Hey, You!: Calls Haruka with the very rude expresion "temee". Starts calling her by her name at the end of his route in the game.
- Image Song: "BRIGHT ROAD", "Not Bad" and "WILD SOUL". In the anime, it's "ONLY ONE".
- Ineffectual Loner
- Jerk with a Heart of Gold: He feeds stray cats and he helps an old couple paying their debts with the yakuza with his idol earnings. In the anime, he also defended Haruka against HE★VENS.
- Real Men Wear Pink: His image color is carmine, a darker tone of pink. He also is shown to have a weakness to certain teddy bear he had in his childhood.
- The Rock Star: A meaner example, though.
- Spiky Hair: It looks fluffier when he's just woken up, as shown in After Secret.
- Vitriolic Best Buds: With Reiji.
Tropes applying to the games and drama CDs
- Break His Heart to Save Him: At the end of his route in All Star, he pins Haruka against the wall and threatens her to make her resign as his partner and avoid getting her involved with a scandal he was caught up in. They later make up.
- Childhood Friends: With Masato and Ren.
- Cynicism Catalyst: His father's death.
- Dark and Troubled Past: Used to be the heir of a big company, but his father was betrayed and died while trying to pay his debts. Ranmaru took them and started being an idol for that reason. Also, he hasn't seen his mother and his little sister since his father's death, and started being a Jerkass after years of trying to join new bands without succeeding.
- Disappeared Dad: See above entry.
- Don't You Dare Pity Me!: One of his CGs in the game happens while he tells this to Haruka.
- Hollywood Atheist: Comes across as this, reacting badly when he finds out Ren and Masato called him for visiting the shrine at New Year's Day. When they make a wish at the shrine and Haruka asks what he wished for, he insists in that believing in gods is foolish, and that he didn't wish for anything.
- I Call It "Vera": Calls his bass his "girlfriend".
- Interrupted Declaration of Love: In his love end, he tries to confess after winning the song festival but is interrupted by Haruka, who runs away. He has another chance later, and Haruka accepts.
- Kindhearted Cat Lover: Despite being quite rude to people, he feeds everyday the stray cats in his neighbourhood.
- Real Men Cook: Worked as a part-time cook for a while.
- Real Life Writes the Plot: In All Star, Haruka calls "Tama" one of the cats he usually feeds. Tatsuhisa Suzuki has a cat named Tama.
- The Runaway: Believing music would be enough to maintain himself, and deciding that his position as the family heir gave him responsibility over his late father's debts, he left his mother and sister and ran away when he was young.
- Straw Misogynist: In the game, he refuses to work with Haruka at first because he thinks women are useless at composing music. He doesn't trust women because all the bands he joined split because of women.
- With This Ring: In the good end of his A route in After Secret, he gives Haruka a ring he made himself as a symbol of their eternal love.
Tropes applying to the anime
- Establishing Character Moment: In the anime's third season, he first appears listening to his headphones by himself.
- Flanderization: In the anime he's more The Stoic than tsundere.
- Mr. Fanservice: Gets a shower scene in episode 7 of Revolutions. In episode 12, he's seen lying naked on bed.
Mikaze Ai
His way of thinking is the straightest of all.
A young but strict idol who becomes Syo and Natsuki's senior. He plays the synthesizer.
Image Color: Lavender
Age (game): 15(D/AS), 16 (ASAS)
Age (Anime): 15 (Season 2), 17+ (Season 3)
Birthday: March 1
Star Sign: Pisces
Blood Type: ?
Height: 178cm
Weight ?
Instrument: Synthesizer
Hobby: People watching
Hometown: Classified
Roommate: Natsuki, Syo
Voiced by: Shouta Aoi
Tropes applying to all works
- Affectionate Nickname: Is called "Ai-Ai" by Reiji.
- Artificial Human: He's actually a robot based on Aine Kisaragi, an idol who disappeared years ago. At least according to the game. The anime reveals he's a robot but leaves out the part about Aine.
- Brutal Honesty: As his Shining Live profile describes it, "he has a sharp tongue, but he speaks without any malice or ill will".
- Constantly Curious: His hobby is people watching and in Shining Live, Camus claims to have caught him staring at a bag of colored marshmallows for ten minutes, trying to speculate on how exactly they were colored.
- Curtains Match the Window
- First-Name Basis: With everyone. However, in his dialogue names are written in katakana rather than kanji, implying that calling everyone by their first names is some sort of programming rather than actual closeness.
- Image Song: "Winter Blossom", "A.I." and "Futari no Monogram". In the anime, it's "INNOCENT WIND".
- Late-Arrival Spoiler: The fact that he's a robot.
- Meaningful Name: Ai. A.I. He's a robot. Get it?
- Ai can also mean "love" in Japanese, but with the kanji his name is written, it means "indigo". Which of course is a symbol for deep and lasting love.
- Younger Than They Look: Ai looks to be about 19, he's actually 15, a year younger than his kouhai, Syo.
Tropes applying to the games and drama CDs
- Become a Real Boy: Ends up developing feelings if the player pursues his route in All Star.
- But Now I Must Go: In All Star, towards the end of his route he tells Haruka he's reaching his limit and won't be able to function after the final concert. He passes out after singing his song, but he gets better.
- Clone Angst: Although not really a clone, he's fully inspired by Kisaragi Aine. And in his After Secret route, he develops anxiety after discovery Aine has waken up from the coma.
- Eating Machine: A notable instance of him eating is when he has lunch together with Haruka in "After Secret". After that, he comments on how eating tires him out despite being interesting because of the amount of data that needs processing.
- Replacement Goldfish: He thinks he is one for Aine until he confronts his creator about it in "After Secret" and he reassures Ai that was never his intention.
- Robot Me: Of Aine Kisaragi.
- Supreme Chef: To ridiculous levels. In After Secret he cooks for Haruka a whole tower of sandwiches.
- What Is This Thing You Call "Love"?: He doesn't understand the concept of love at first and trying to process it causes him to overheat. That even causes him to crash in "Debut" and "All Star".
Tropes applying to the anime
Camus
His personality may be as cold as ice, but is serious about his profession.
A count from the country of Permafrost, in the games he's a colleague of the senpais but in the anime he becomes Cecil's senior. He seems to get into fights often with Ranmaru. He plays the cello.
Image Color: Cyan
Age (game): 20 (D/AS), 21 (ASAS)
Age (Anime): 20 (Season 2), 22+ (Season 3)
Birthday: January 23
Star Sign: Aquarius
Blood Type: O
Height: 184cm
Weight 71kg
Instrument: Cello
Hobby: Horse riding
Hometown: Silk Palace
Roommate: Cecil
Voiced by: Tomoaki Maeno
Tropes applying to all works
- Affectionate Nickname: Reiji calls him "Myu-chan".
- The Charmer: He's gentlemanly when speaking with women.
- Gentleman Snarker: In public, he's as gentlemanly as he can get, in private, he becomes this.
- Knight in Shining Armor: The closest thing to the stereotype in UtaPri: he's a noble, has refined speech and one of his CGs features him riding a White Stallion.
- Icy Blue Eyes: Goes with his frigid personality.
- Image Song: "Zettai Reido Emotion", "AURORA" and "Junketsumaru Ai -Aspiration-". In the anime, it's "SAINTLY TERRITORY".
- Only One Name: In his All Star route, he asks Haruka to give him a last name: she chooses Clizzard.
Tropes applying to the games and drama CDs
- Canine Companion: Has a dog called Alexandra, as shown in his All Star route.
Tropes applying to the anime
- Big Entrance: In the anime, his introduction implies the whole dorm becoming blue and Camus sliding in front of ST☆RISH and Haruka.
- Classy Cane: Uses it in the anime and as his count persona in the games. His seiyuu even uses it during live performances.
- Establishing Character Moment: In the anime's third season, his first appereance is riding a horse. Haruka comments he looks like taken out of an European painting.
- Flanderization: In the games, he's a serious yet gentlemanly guy. In the anime, he's an enormous Large Ham.
- What Happened to the Mouse?: He sings "POISON KISS" with the rest of the senpais in the second season's first episode, but after the song is over he dissapears and doesn't get introduced officially until the next episode. No explanations are given about this.
