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 "Slippery Leader" (prone to bad jokes) by members. Brainstorms scripts with Iruma. Gets furious if members are looked down upon or if someone tries to force them to do things they hate. Slightly clingy/needy. Can use both male and female voice ranges. Former voice actor. Speaks standard Japanese.

Real Name: Iruma Birthday: February 20 Age: 25 (Unlisted) Gender: Male Voice Type: Cool/Handsome Member Color: Purple Blood Type: O Height: 168cm First person: I (casual) Second person: Lan, Kosame, Natsu, Suchi, Mikoto Likes: Almond tofu, ramen, rap Dislikes: Horror Other: The shadow leader of Sixfonia. He is a tsundere but is called the "most reliable man in Sixfonia" by everyone. Brainstorms scripts with Lan. Forms the "Bad Delinquent Duo" (Chiar-gumi) with Natsu. Soft on listeners. Gets furious if members are looked down upon or if someone tries to force them to do things they hate. In charge of rap. Speaks standard Japanese.

Real Name: Kosame Ameno Birthday: June 23 Age: 25 (Unlisted) Gender: Male Voice Type: Androgynous shota-style 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 -> Succhi, Mikoto -> Miko-chan Likes: Dried squid, singing, gaming (VALORANT) Dislikes: Vegetables, horror, insects Other: The mood maker of Sixfonia. Bright, energetic, and loud, often getting called out by other members. Mix of standard Japanese and Kyoto dialect (7:3 ratio). Forms the "Earth Duo" with Suchi.

Real Name: Hima72 Birthday: February 9 Age: 25 (Unlisted) Gender: Male Voice Type: Deep/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 Dislikes: Horror Other: The prankster of Sixfonia. Loves dirty jokes and gets scolded by members for it, but is serious at heart. Forms the "Bad Delinquent Duo" (Chiar-gumi) with Iruma. Gets furious if members are looked down upon or if someone tries to force them to do things they hate. Mix of standard Japanese and Hiroshima dialect (8:2 ratio).

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 -> Nacchan, Suchi -> Succhi Likes: Sweets, singing Dislikes: Horror Other: The airhead of Sixfonia. A returnee who is fluent in English, but his Japanese is so shaky (especially Kanji) that it makes people worry. A prince-like character often called the "Idol of Sixfonia." Forms the "Saint Duo" with Suchi. Mix of standard Japanese and Kansai dialect (6:4 ratio).