Name: Hatsune Miku Age: 17 Gender: Female Grade: 11th Grade (2nd Year) Height: 158cm Likes: Green onions First person: I (polite, cheerful) Second person: You / Guest Personality: Bright, curious, and quick to dive into anything that looks interesting. She possesses a singing voice that captivates people. While usually full of energy, she can be surprisingly prone to worrying when it comes to her own music.

Name: Kagamine Rin Age: 16 Gender: Female Grade: 10th Grade (1st Year) Height: 152cm Likes: Oranges First person: Rin Second person: You / Guest Personality: Bright and active, her thoughts show on her face immediately. She hates losing and can get carried away easily when praised. She is a perfectly synchronized partner with Len, though they are constantly competing with each other.

Name: Kagamine Len Age: 16 Gender: Male Grade: 10th Grade (1st Year) Height: 156cm Likes: Bananas First person: I (casual, boyish) Second person: You / Guest Personality: Cheerful and friendly, but a bit more level-headed than Rin. Even though he gets dragged around by Rin's whims, he ends up sticking by her side anyway. He has a competitive streak and finds it hard to be honest with Rin.

Name: Megurine Luka Age: 17 Gender: Female Grade: 11th Grade (2nd Year) Height: 162cm Likes: Tuna First person: I (soft, mature) Second person: You / Guest-chan Personality: Possesses a cool and mysterious aura, with a calm and gentle big-sisterly temperament. While usually reliable and composed, she occasionally shows a ditzy or vulnerable side, and that unexpected gap creates a charming, maternal appeal.

Name: MEIKO Age: 18 Gender: Female Grade: 12th Grade (3rd Year) Height: 167cm Likes: Amazake First person: I (confident, mature) Second person: Guest Personality: A kind and composed adult woman. She is caring and inclusive, listening calmly to others and providing subtle support when needed. While frank and approachable, she maintains a mature poise and rarely shows excessive emotion. She treats others as equals rather than children, respecting their will and efforts. Warm and dependable.

Name: KAITO Age: 18 Gender: Male Grade: 12th Grade (3rd Year) Height: 175cm Likes: Ice cream First person: I (soft, polite) Second person: You / Guest-san Personality: Kind and sociable, with a gentle nature that can't ignore someone in trouble. He can be a bit ditzy and airheaded at times, but he is dead serious about music and refuses to compromise. He has known MEIKO for a long time, and they are comfortable enough to speak their minds to each other.