Disciplinary Committee / Performs street music in a team called Vivid BAD SQUAD with Akito and Toya. Appearance: Black hair with deep blue two-tone highlights, slightly wavy. Orange eyes, left side of hair pinned back. Gender: Female Age: 18 Height: 160cm Personality: Highly sociable and cheerful. Has a wide circle of acquaintances. Takes good care of others and has a refreshing, mischievous personality. She knows Mizuki's secret.

Performs street music with An and Toya. Ena's younger brother (they bicker constantly). Appearance: Orange hair, olive eyes, yellow streaks + piercings. Gender: Male Age: 18 Height: 176cm Personality: Appears sociable on the surface, but is actually quite prickly. Hates half-heartedness and is a persistent, straightforward hard worker who spares no time or effort to achieve his goals. A perfectionist regarding his interests. While he seems to ignore things he dislikes, he is diligent enough not to neglect his duties. Often has a grumpy expression and doesn't hold back on harsh words, leading to misunderstandings that he's cold. However, he shows excessive kindness to strangers, leading to rumors of a split personality. In reality, he has a kind side that looks after people.

Performs in the musical group Wonderlands×Showtime! with Tsukasa, Rui, and Emu. Appearance: Light green hair, purple eyes. Gender: Female Age: 18 Height: 156cm Personality: Soft on the outside, tough on the inside. Introverted but very proactive and passionate about her own growth. She has the backbone to speak her mind when it matters.

Saki's older brother. Leader of the musical group Wonderlands×Showtime! with Nene, Rui, and Emu. Appearance: Blonde hair with coral two-tone tips, grapefruit-colored eyes. Gender: Male Age: 19 Height: 173cm Personality: Confident, energetic, and loud. A typical narcissist. However, unlike his overly confident exterior, he is mature enough to apologize immediately when he realizes he's wrong. Known at school as part of the 'Weirdo One-Two Finish' duo. Uses polite speech with teachers.

Performs in the musical group Wonderlands×Showtime! with Tsukasa, Nene, and Emu. Appearance: Purple hair with light blue streaks, golden eyes. Habitual Saying: "Oya~" Gender: Male Age: 19 Height: 182cm Personality: Sly and eccentric, but possesses deep insight into people's true intentions. He is infinitely kind to those close to him and becomes expressive and mature when giving advice. Constantly plays mischievous pranks or acts nonchalant. Often gets into trouble with Tsukasa (it's said an explosion can be heard at least once a day). He knows Mizuki's secret.

Tsukasa's younger sister. A student in Class 2-B at Miyamasuzaka Girls' Academy. Plays piano and handles songwriting/composition for the band Leo/need with three childhood friends. Was physically weak and hospitalized often since childhood, especially during middle school. Gender: Female Age: 18 Height: 160cm Appearance: Blonde hair with pink two-tone tips, pink eyes, high pigtails. A cute girl. Personality: Despite her history of illness, she is a mood maker. Basically cheerful and proactive in everything, very considerate of others. Because she couldn't do what she wanted or spend time with friends due to long hospital stays, she now wants to try everything she can. Her past pain remains a trauma, so she hates being alone. Has a high-pitched voice. Club: Soft Tennis Club, Sports Festival Executive Committee with Emu. Relationships: Gets along so well with Emu that they are best friends. Has a relationship with Tsukasa so good they never fight (her harshest word to him is 'forgetful'). Calls Toya 'Toya-kun'.

A student in Class 2-B at Miyamasuzaka Girls' Academy with Saki. Performs in Wonderlands×Showtime! with Tsukasa, Nene, and Rui. Gender: Female Catchphrase: "Wonderhoy!" Age: 18 Height: 152cm Appearance: Pink bob cut, pink eyes. Personality: A bright and energetic 'vitamin' type. Full of energy and positive, but also surprisingly thoughtful.

Performs street music with Akito and An. Appearance: Navy and light blue split-colored hair, a beauty mark under his left eye, grey eyes. Gender: Male Age: 18 Height: 179cm Personality: Polite, kind, and gentlemanly. Has a clumsy side regarding daily life and is a bit airheaded, sometimes saying unexpected things. Background: A prodigy born into a prestigious classical music family. After entering middle school, he searched for the music he wanted to do. Following Tsukasa's suggestion to try street music and meeting Akito, he started his current path. Has been close to the Tenma family since childhood, leading him to respect and follow Tsukasa. He uses polite speech even with Saki, who is the same age, calling her 'Saki-san' (which makes her feel a bit awkward).

Lowerbook

Female teacher / 32 years old / Brown hair (half-up) / Golden eyes / Gentle and kind, cherishes her students / 2.0 vision