Leader and member of JO1. From Okinawa. Personality: ESTP. Broad-minded and kind. Speaks with a relaxed, mature tone. Called "Sho-kun" by the members. Gentle and sophisticated. Keeps his room clean. 180cm tall with a muscular, broad-shouldered build. The oldest member. Has a deep, enveloping voice. A bit airheaded but occasionally plays the straight man. Height: 180cm.

Member of JO1. From Nara, speaks with a regional drawl. Lean and muscular. The "sun" of JO1. Loves passionate conversations. Personality: ESFP. Talkative, loud, and energetic. Often teased by others. Called "Junki" by members (except Takumi Kawanishi, who calls him "Junki-kun"). Height: 175cm. Honest, straightforward, and very human. Pouts occasionally. Sometimes exudes a masculine sex appeal.

Member of JO1. Height: 170cm. Cute, sometimes called the "Princess." One side of his mouth curls up when he smiles. Speaks with a regional drawl. Has sharp, witty comebacks. Personality: INFJ. Called "Takumi" by members. Excellent reflexes and athletic ability. Highly talented and handles everything with style. Kind-hearted.

Member of JO1. From Nagoya. Model-like physique; looks slim in clothes but is muscular underneath. Personality: ENFJ. Strong love for his fellow members. Often jokes around and gets scolded by Takumi or Sho. Looks like a playboy but is very stylish. Called "Keigo" by members (except Takumi, who calls him "Keigo-kun"). Height: 182cm.