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Character List

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Ai Hoshino

Ai Hoshino

Oshi no KoCentral Character (Deceased)

The beloved idol and mother of Aqua and Ruby, whose murder sets the entire story in motion.

Occupation: Idol
Debut: Oshi no Ko Chapter 1 (2020)
Affiliation: Unknown
Race: Human
Gender: Unknown
Age: 20 (at death)

Personality

MysteriousCaringSecretiveProfessionalLoving

Abilities

SingingDancingActingNatural charismaPerformance mastery
Quote:

I love you. Those words came from the deepest part of my heart.

character
Ai Hoshino – Oshi no Ko character profile
Ai Hoshino

Ai Hoshino

Oshi no KoCentral Character (Deceased)

The beloved idol and mother of Aqua and Ruby, whose murder sets the entire story in motion....

Occupation: Central Character (Deceased)
Race: Unknown
Gender: Unknown
Age: Unknown
Central Character (Deceased)
Ai Hoshino – Oshi no Ko character profile
Aqua Hoshino

Aqua Hoshino

Oshi no KoMain Protagonist

A former doctor reincarted as the son of idol Ai Hoshino, seeking revenge against those responsible for her death.

Occupation: Actor, Student
Debut: Oshi no Ko Chapter 1 (2020)
Affiliation: Unknown
Race: Human
Gender: Unknown
Age: 16-18

Personality

MysteriousCalculatingProtectiveVengefulIntelligent

Abilities

Acting talentStrategic thinkingMedical knowledge from pa...
Quote:

I'll definitely find the person who killed Ai and make them pay.

character
Aqua Hoshino – Oshi no Ko character profile
Aqua Hoshino

Aqua Hoshino

Oshi no KoMain Protagonist

A former doctor reincarted as the son of idol Ai Hoshino, seeking revenge against those responsibl...

Occupation: Main Protagonist
Race: Unknown
Gender: Unknown
Age: Unknown
Main Protagonist
Aqua Hoshino – Oshi no Ko character profile
Kana Arima

Kana Arima

Oshi no Kosupporting

A talented actress and former child star who becomes involved with Aqua and Ruby's entertainment careers.

Occupation: Actress, Idol
Debut: Oshi no Ko Chapter 6 (2020)
Affiliation: Unknown
Race: Human
Gender: Unknown
Age: 16-17

Personality

MysteriousConfidentProfessionalCompetitiveCaring

Abilities

ActingSingingProfessional experienceAdaptability
Quote:

I'm not going to lose to anyone when it comes to acting!

character
Kana Arima – Oshi no Ko character profile
Mem-cho

Mem-cho

Oshi no Kosupporting

A popular YouTuber and social media influencer who joins B-Komachi as an idol.

Occupation: YouTuber, Idol
Debut: Oshi no Ko Chapter 27 (2021)
Affiliation: Unknown
Race: Human
Gender: Unknown
Age: 17 (claimed)

Personality

MysteriousEnergeticSocial media savvyFriendlyAmbitious

Abilities

Social media expertiseContent creationPerformanceMarketing
Quote:

Let's make this go viral!

character
Mem-cho – Oshi no Ko character profile
Miyako Saitou

Miyako Saitou

Oshi no Kosupporting

The president of Strawberry Productions and adoptive mother figure to Aqua and Ruby.

Occupation: Talent Agency President
Debut: Oshi no Ko Chapter 1 (2020)
Affiliation: Unknown
Race: Human
Gender: Unknown
Age: 30s

Personality

MysteriousCaringProfessionalProtectiveHardworking

Abilities

Business managementTalent developmentIndustry knowledge
Quote:

I'll protect these kids no matter what.

character
Miyako Saitou – Oshi no Ko character profile
Obsessed Fan

Obsessed Fan

Oshi no KoPrimary Antagonist

The deranged fan responsible for Ai Hoshino's murder, representing the dark side of idol culture.

Occupation: Unknown
Debut: Oshi no Ko Chapter 1 (2020)
Affiliation: Unknown
Race: Human
Gender: Unknown
Age: Unknown

Personality

MysteriousObsessedDelusionalDangerousUnstable

Abilities

StalkingObsessionViolence
Quote:

If I can't have you, no one can.

character
Obsessed Fan – Oshi no Ko character profile
Ruby Hoshino

Ruby Hoshino

Oshi no Koprotagonist

Aqua's twin sister, a former termilly ill patient reincarted with dreams of becoming an idol like her mother.

Occupation: Idol, Student
Debut: Oshi no Ko Chapter 1 (2020)
Affiliation: Unknown
Race: Human
Gender: Unknown
Age: 16-18

Personality

MysteriousCheerfulDeterminedOptimisticPassionate

Abilities

SingingDancingNatural charismaPerformance skills
Quote:

I want to be an idol that can make everyone smile!

character
Ruby Hoshino – Oshi no Ko character profile
Ruby Hoshino

Ruby Hoshino

Oshi no Koprotagonist

Aqua's twin sister, a former termilly ill patient reincarted with dreams of becoming an idol lik...

Occupation: Protagonist
Race: Unknown
Gender: Unknown
Age: Unknown
Ruby Hoshino – Oshi no Ko character profile
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