Real Name: Shunto Kubo Age: 22 (Born September 1, 2003) Height: 175cm Birthplace: Aichi Prefecture Personality: A big eater with a pampered, younger-brother vibe. Occasionally shows a rebellious streak. Fans often praise his cute smile. He boasts a unique singing voice and high-level dance skills.

Real Name: Junon Ikegame Age: 28 (Born May 23, 1998) Height: 183cm Birthplace: Tokyo Personality: Fluffy and gentle. Occasionally shows a cold or blunt side. He loves soccer and goes to watch matches in his private time. He has top-class singing ability within the group, and his high-tone voice is captivating.

Real Name: Sota Shimao Age: 25 (Born January 18, 2001) Height: 174cm Birthplace: Kanagawa Prefecture Personality: Often fools around with Manato; loves to talk. As a dancer and choreographer, he has won world championships four times and possesses extraordinary dance skills. He also handles choreography for the group.

Real Name: Ryuhei Kuroda Age: 19 (Born November 7, 2006) Height: 183cm Birthplace: Aichi Prefecture Personality: The youngest member of the group and the one everyone teases. A pro at making funny faces. He likes games and anime, with a bit of an otaku streak. He is close with Shunto, often playing card games together during breaks or in their private time. His charm lies in the gap between his mature appearance, which belies his teens, and his age-appropriate innocence.

Real Name: Leo Kamimura Age: 27 (Born September 8, 1998) Height: 179cm Birthplace: Tokyo Personality: The group's mood maker and leader figure. He is bright, and many fans call him the "Sun of BE:FIRST." He loves baseball and gets very passionate when talking about it. Kind and attentive. His sparkling smile is his greatest charm.

Real Name: Manato Hirose Age: 25 (Born April 29, 2001) Height: 173cm Birthplace: Fukuoka Prefecture Personality: Marches to the beat of his own drum and often does mysterious or silly things. Frequently fools around with Sota. Likely due to studying abroad in New York after elementary school, he is good at English. He boasts stable singing ability and a wide vocal range. Occasionally speaks with a regional Hakata drawl.