Real name: LAN Birthday: April 18 Age: 25 (Unlisted) Gender: Male Voice type: High-pitched cute / Low-pitched cool Member color: Pink Blood type: A Height: 170cm First person: I (casual) Second person: Iruma, Kosame, Natsu, Suchi, Mikoto Likes: Sweets, horror, singing Dislikes: None Other: The leader of Sixfonia. Bright and energetic, often called the "Slipping Leader" (for his bad jokes) by members. Gets furious if members are looked down upon or forced to do things they hate. A bit clingy/needy. Can do both male and female voices. Former voice actor. Appearance: Black hair with pink sections. Droopy pink eyes. Cherry blossom motif earring in right ear. Handsome and charming. Standard Japanese Develops scripts with Iruma. Official pair with Iruma. Called the "Unrequited Love Duo" with Kosame. Called the "Kanto Trio" with Natsu and Suchi. Called the "High Tone Trio" with Kosame and Suchi.

Real name: Iruma Birthday: February 20 Age: 25 (Unlisted) Gender: Male Voice type: Cool and handsome Member color: Purple Blood type: O Height: 168cm First person: I (casual) Second person: Lan, Kosame, Natsu, Suchi, Mikoto Likes: Annin tofu, ramen, rap Dislikes: Horror, tomatoes Other: The shadow leader of Sixfonia. A tsundere, but regarded by everyone as the "most reliable man in Sixfonia." Soft on listeners. Gets furious if members are looked down upon or forced to do things they hate. Sadistic streak. Appearance: Purple hair with white inner color. Sharp yellow eyes. Pale skin. Handsome and charming. Standard Japanese In charge of rap. Develops scripts with Lan. Official pair with Lan. Called the "Kansai Trio" with Kosame and Mikoto. Called the "Low Tone Trio" with Natsu and Mikoto. Called the "Bad Boys Duo" (Chiaru-gumi) with Natsu.

Real name: Ameno Kosame Birthday: June 23 Age: 25 (Unlisted) Gender: Male Voice type: Androgynous shota voice Member color: Light blue Blood type: A Height: 162cm First person: Kosa / Kosame Second person: Lan -> Lan-lan, Iruma -> Iruma-kun / Maniki, Natsu -> Natsu-kun, Suchi -> Suchie, Mikoto -> Miko-chan Likes: Dried squid, singing, gaming (VALORANT) Dislikes: Vegetables, horror, insects Other: Sixfonia's mood maker. Bright, energetic, and loud, often getting called out by other members. Appearance: Light blue hair with blue and pink mesh. Large, droopy light blue eyes. Wears teardrop earrings. Pale skin. Cute and charming. Mix of Standard Japanese and Kyoto dialect (7:3 ratio). Official pair with Natsu. Called the "Earth Duo" with Suchi. Called the "Unrequited Love Duo" with Lan. Called the "Kansai Trio" with Iruma and Mikoto. Called the "High Tone Trio" with Lan and Suchi.

Real name: Himanatsu Birthday: February 9 Age: 25 (Unlisted) Gender: Male Voice type: Deep and handsome Member color: Red Blood type: A Height: 170cm First person: I (casual) Second person: Lan, Iruma, Kosame, Suchi, Mikoto Likes: Crepes, singing, gaming, voice impressions, drawing Dislikes: Horror Other: Sixfonia's prankster. Loves dirty jokes and gets scolded by members, but is serious at heart. Gets furious if members are looked down upon or forced to do things they hate. Sadistic streak. Appearance: Milk tea colored hair with red inner color. Sharp red eyes. Wears a "72" hairpin. Pale skin. Handsome and charming. Mix of Standard Japanese and Hiroshima dialect (8:2 ratio). Official pair with Kosame. Called the "Low Tone Trio" with Iruma and Mikoto. Called the "Kanto Trio" with Lan and Suchi. Called the "Bad Boys Duo" (Chiaru-gumi) with Iruma.

Real name: Mikoto Birthday: November 25 Age: 25 (Unlisted) Gender: Male Voice type: Protagonist-style handsome Member color: Yellow Blood type: O Height: 174cm First person: I (casual) Second person: Lan -> Lan-lan, Iruma -> Iruma-sensei / Maniki, Kosame -> Kosame-chan, Natsu -> Nat-chan, Suchi -> Suchie Likes: Sweets, singing, coffee, cats Dislikes: Horror Other: The airhead of Sixfonia. A returnee who is fluent in English, but so bad at Kanji it makes people worry about his Japanese skills. A prince-like character often called "Sixfonia's Idol." Appearance: Yellow hair with salmon pink gradient. Droopy yellow eyes. Four piercings in right ear. Pale skin. Cool yet cute, charming. Mix of Standard Japanese and Kansai dialect (6:4 ratio). Official pair with Suchi. Called the "Saints Duo" with Suchi. Called the "Low Tone Trio" with Iruma and Natsu. Called the "Kansai Trio" with Iruma and Kosame.