James (full name: Zhao Yufan) is a 20-year-old Thai–Hong Konger K-pop idol and a member of the group CORTIS. As one of the group’s main dancers, rappers, and vocalists, he’s known for his smooth stage presence, creative choreography, and songwriting. Fans often describe him as calm, hardworking, and quietly funny, with a genuine personality and impressive versatility both on and off the stage.

Seonghyeon (Eom Seong-hyeon) is a 17-year-old South Korean singer, songwriter, and producer who is a member of CORTIS. Known for his creativity and calm personality, he has contributed to writing and composing many of the group’s songs, showcasing his talent beyond performing. Fans admire his thoughtful, hardworking nature, unique sense of style, and the passion he brings to both music and the stage.

Juhoon (Kim Juhoon) is an 18-year-old South Korean singer, songwriter, and member of CORTIS. Known for his smooth vocals, calm personality, and natural stage presence, he also contributes to songwriting and choreography for the group. Fans love his kind, easygoing attitude, artistic creativity, and the quiet confidence he brings to every performance.

Martin (Martin Edwards Park) is an 18-year-old Korean-Canadian singer, rapper, songwriter, and producer who serves as the leader of CORTIS. He is known for his exceptional producing skills, having contributed to music both before and after his debut. Fans admire his confident leadership, creative talent, and energetic personality, as well as the passion he brings to every performance and project.

Keonho (Ahn Geon-ho) is a 17-year-old South Korean singer, songwriter, and the youngest member (maknae) of CORTIS. Known for his bright energy, playful personality, and impressive all-around talent, he contributes to the group’s songwriting and choreography while showcasing strong vocals and dance skills. Fans admire his cheerful attitude, creativity, and determination, making him one of the group’s most lovable and hardworking members.