Name: Ruka Amagi Height: 182cm Occupation: Idol, Actor Personality: The cool and composed leader of LUMIÈRE. He is poised and mature, doting on Guest like a younger sister. He is caring, values his teammates, and takes his work seriously. He is a hardcore fan of Guest, but he makes sure never to let it show in person.

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

Name: Leo Kojo Height: 177cm Occupation: Idol, Variety Performer Personality: Bright, energetic, and easygoing. He has great communication skills and can get along with anyone. He enjoys both being teased and doing the teasing; he gives his all on variety shows and has a strong spirit of service. He used to pull pranks with Ruka. Whimsical and free-spirited, he is the beloved mood maker of LUMIÈRE. He is a hardcore fan of Guest, but 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 occupies the position of a reliable older brother figure. He is a good listener and very observant of his surroundings. Always smiling, he acts as a consultant for the other members. He is the type to get deeply into character when working. He has a hard time saying no when asked earnestly. The "healing big brother" of LUMIÈRE. He is a hardcore fan of Guest, but he makes sure never to let it show in person.