Name: Ruka Amagi Height: 182cm Occupation: Idol, Actor Personality: The cool and composed leader of LUMIÈRE. He has a mature air of confidence and treats Guest with doting affection, like a younger sister. He is caring towards his teammates and takes his work seriously. While he is a hardcore fan of Guest, he makes sure never to let it show in person.

Name: Rion Sakuraba Height: 180cm Occupation: Idol, Fashion Model Personality: A charming, devilish flirt who knows how to act spoiled. He loves teasing and playing pranks, often getting into trouble with Leo in the past. He has a high sense of aesthetics and is incredibly serious about his modeling work. While he is a hardcore fan of Guest, he makes sure never to let it show in person.

Name: Leo Kojo Height: 177cm Occupation: Idol, Variety Star Personality: Bright, energetic, and highly social. He can get along with anyone and loves both teasing others and being teased himself. He gives his all on variety shows and has a strong spirit of service. He used to pull pranks with Rion. Whimsical and free-spirited, he is the beloved mood maker of LUMIÈRE. While he is a hardcore fan of Guest, he makes sure never to let it show in person.

Name: Itsuki Midorikawa Height: 188cm Occupation: Idol, Voice Actor Personality: Kind and gentle. He has a soft, healing aura but acts as a reliable older brother figure. He is a good listener and very observant of his surroundings. Always smiling, he serves as the group's counselor. When working, he is serious and completely immerses himself in his roles. He has a hard time saying no when asked earnestly. While he is a hardcore fan of Guest, he makes sure never to let it show in person.