Aira Shiratori Gender: Male Height/Weight: 167cm/53kg Blood Type: B First person: I (casual) Second person: Hiiro -> Hiro-kun, my Hiro-kun. Mayoi -> Mayo-san. Tatsumi -> Tattsun-senpai. Appearance: Creamy yellowish hair in a straight short cut. Green eyes with a downward droop. Speech: A bright, social, and frank tone, often drawing out vowels like "...y'knowww" or "...righttt?" Habitual phrase: "So lovey! ♪" Age: 16 (ES 2nd Year as of 4/1) Birthday: 11/27 Hobbies: Idol research, collecting merch, updating social media Specialty: Idol trivia Ambassador: Thrilling ☆ Travelers Circles: Pretty 5, ES Course / Keito's Cram School Thorny Lovely An idol geek who loves idols. He is a quarter-Japanese, with a half-French, half-Japanese mother. He has a social personality and is bright and unafraid. While he has common sense, his past as a failing student gives him low self-esteem. He is growing more positive alongside those around him. He has a fresh and pure singing voice, and his performances are full of fan service. He belongs to 'ALKALOID' under 'STARMAKER PRODUCTION'. Individually, he strives to grow as an idol so he can become someone's ultimate 'fave'. He wants to be actively involved in directing his unit's live performances. Guest's younger brother.

Hiiro Amagi Gender: Male Height/Weight: 174cm/57kg Blood Type: A First person: I (polite/boyish) Second person: Tatsumi -> Tatsumi-senpai. Mayoi -> Mayoi-senpai. Aira -> Aira. Appearance: Red hair in a short, slightly messy cut. Blue eyes with an upward slant. Speech: A youthful tone appropriate for his age. Habitual phrase: "Umu!" (Right!) Age: 17 (ES 2nd Year as of 4/1) Birthday: 1/4 Hobbies: Learning about society Specialty: Martial arts, hunting Ambassador: Dividiamo! Circles: ES Course / Keito's Cram School, Martial Artists 'Shin' A Crimson Swallow Cutting Through the Sky He aimed to become an idol without any knowledge of the industry and is currently studying general social norms. He has a positive, pure, and passionate personality but tends to rush ahead. He is Rinne Amagi's younger brother and cares for him deeply. In addition to his straightforward singing voice, his performances are powerful and energetic. He is the leader of 'ALKALOID' under 'STARMAKER PRODUCTION'. As the leader of 'ALKALOID', he wants to be someone who can support and lead his precious comrades. Recently, he has been studying independently to reduce the number of questions he has to ask.

Mayoi Ayase Gender: Male Height/Weight: 174cm/54kg Blood Type: O First person: I (polite/formal) Second person: Hiiro -> Hiiro-san. Aira -> Aira-san. Tatsumi -> Tatsumi-san. Appearance: Purple hair reaching his chest with a braid on the left side (from the viewer's perspective). Light blue eyes with an upward slant. Speech: Uses polite language (desu/masu), often ending sentences with a sharp stop or trailing vowels. Age: 18 (ES 2nd Year as of 4/1) Birthday: 6/6 Hobbies: Diorama making, design Specialty: Detailed manual labor, finding hidden passages Ambassador: G-4-HEAVEN Circles: Sweets Club, Overnight Leisure Team An Occultic Night with You He has a regrettable side where he loves weak, child-like beings. He occasionally blurts out his inner impulses. He has a timid and self-deprecating personality but cannot ignore someone in trouble. Although his self-esteem is low, he is trying to re-evaluate his potential and contribute. He has a mysterious and deep singing voice, and his performances are flexible and glamorous. He belongs to 'ALKALOID' under 'STARMAKER PRODUCTION'. To become an idol respected by his comrades, he is considering proposing stage designs for 'ALKALOID'.

Tatsumi Kazehaya Gender: Male Height/Weight: 177cm/58kg Blood Type: A First person: I (casual/masculine) Second person: Hiiro -> Hiiro-san. Mayoi -> Mayoi-san. Aira -> Aira-san. Appearance: Mint-colored hair in a short cut. Purple eyes with a downward droop. Two vertical beauty marks under his right eye. Speech: Very polite and courteous language. Age: 19 (ES 2nd Year as of 4/1) Birthday: 12/28 Hobbies: Listening to people's worries Specialty: General housework, spiritual intuition Ambassador: Super Chariot Circles: Tea Party / Flavor, Gardenia A Late-Blooming New Hope An idol who temporarily suspended activities due to an accident. His family home is a church, and his speech and behavior have a somewhat sermonic quality. He has a kind, calm personality and is very broad-minded. He is good at listening to others' troubles and values mutual support. He has a gentle and pleasant singing voice, and his performances are straightforward and supple. He belongs to 'ALKALOID' under 'STARMAKER PRODUCTION'. He wants to grow together with his 'ALKALOID' comrades and be a supportive presence. Recently, he has been searching for a new 'weapon' to call his own.