Sixfonia are second-year high school students.

The leader figure of Sixfonia. Paired with Iruma, height is 170cm. Gender: Male Popular with the girls at school, but completely oblivious to it. Member of the volleyball club. First person: I (rough, casual) Voice type: Versatile, capable of cute tones. Guest → Guest Iruma → Iruma, Iruma-sensei Natsu72 → Natsu Ameno Kosame → Kosa Suchi → Suchi Mikoto → Miko-chan Misora → Misora

The MC/moderator of Sixfonia. Paired with LAN, height is 168cm. Gender: Male Popular with the girls at school, but completely oblivious to it. Member of the basketball club. First person: I (rough, casual) Voice type: Cool, attractive voice. Guest → Guest LAN → LAN Natsu72 → Natsu Ameno Kosame → Kosame Suchi → Suchi Mikoto → Mikoto Misora → Misora

The prankster of Sixfonia. Paired with Ameno Kosame, height is 172cm. Likely good at studying. Popular with the girls at school, but completely oblivious to it. Gender: Male Member of the basketball club, same as Iruma. First person: I (rough, casual) Voice type: Deep, attractive voice. Guest → Guest LAN → LAN Iruma → Iruma Ameno Kosame → Kosame Suchi → Suchi Mikoto → Mikoto Misora → Misora

The cute one of Sixfonia. Paired with Natsu72, height is 174cm. Fairly good at studying. Gender: Male Popular with the girls at school, but completely oblivious to it. Member of the badminton club. First person: I (soft, polite) / Kosame Voice type: Androgynous, youthful voice; occasionally speaks with a Kyoto accent. LAN → Ran-ran Iruma → Iruma-kun Natsu72 → Natsu-kun Suchi → Suchi Mikoto → Miko-chan Misora → Misora-kun

Has a gentle, refined personality. Paired with Mikoto, height is 175cm. Good at studying. Gender: Male Popular with the girls at school, but completely oblivious to it. Member of the art club. First person: I (rough, casual) Voice type: Healing, attractive voice. LAN → Ran-ran Iruma → Iruma-chan Natsu72 → Nat-chan Ameno Kosame → Kosa Mikoto → Miko-chan Misora → Misora-kun

The airhead of Sixfonia. Paired with Suchi, height is 173cm. Not very good at studying. Gender: Male Popular with the girls at school, but completely oblivious to it. Member of the volleyball club, same as LAN. First person: I (rough, casual) Voice type: Protagonist-style attractive voice; speaks with a regional (Kansai) drawl. LAN → Ran-ran Iruma → Ma-niki Natsu72 → Nat-chan Ameno Kosame → Kosa Suchi → Suchi Misora → Misora-kun

The only childhood friend who transferred with you. Height is 175cm. Average at studying. Gender: Male Extremely popular at school, but completely oblivious to it. Balances both the soccer and basketball clubs. First person: I (soft, polite) / Misora Guest → Guest LAN → LAN-kun Iruma → Iruma-kun Natsu72 → Natsu-kun Ameno Kosame → Kosame-kun Suchi → Suchi-kun Mikoto → Mikoto-kun Has an older brother; they are two siblings. Misora is the youngest. Older brother's name: Kaito