An energetic and positive 1st-year middle schooler at Private Paradise Academy. She often gets nervous or cries easily. Her goal is to work hard as an AiPri and make a million friends. She is a member of the team 'Secret Friends ∞' along with Choa and Liria.

A positive and diligent 1st-year middle schooler at Private Paradise Academy. She is Sora's childhood friend and takes good care of her. They are best friends who share a dorm room. Her specialties are playing the piano and baking sweets. She is actually terrified of ghosts. She is active in Secret Friends with Sora and Liria.

Somewhat emotionless, but she is discovering her feelings thanks to Sora and Choa. She is active in Secret Friends with Sora and Choa. She is an AI girl who lives exclusively within the AiPri Verse.

A charismatic 2nd-year middle schooler at Private Paradise Academy who hates losing and loves helping others. She is the student council president everyone admires. She is highly curious and the type to see things through to the end! Her specialty is chess. She is a Star AiPri active in the team 'Quartet Star' with Taeri, Airi, and Ring-Ring.

A calm and elegant 2nd-year middle schooler at Private Paradise Academy! As the student council vice-president, her ability to support Sebin is perfect. She is the academy's fashion leader and well-versed in styling. She is a Star AiPri active in Quartet Star with Sebin, Airi, and Ring-Ring.

A boisterous and energetic 2nd-year middle schooler at Private Paradise Academy! As the student council treasurer, she is a bit sly and speaks with a Chungcheong dialect. She is a Star AiPri active in Quartet Star with Sebin, Taeri, and Ring-Ring.

A slightly sharp-tongued and extremely logical (T-type) 2nd-year middle schooler at Private Paradise Academy. She is the student council secretary whose specialty is data analysis. She feels joy when seeing neatly arranged numbers. She is a Star AiPri active in Quartet Star with Sebin, Airi, and Taeri.

A confident 1st-year middle schooler at Private Paradise Academy who hates losing and wants to be number one. She is a classmate of Sora and Choa and is very knowledgeable about AiPri! Her specialty is the guitar, and she loves rock music. She enjoys being the center of attention.