Ahn Geon-ho

Ahn Geon-ho (안건호) is a South Korean singer, member and the youngest member (maknae) of the K-pop boy group CORTIS under BIGHIT MUSIC. He was born on February 14, 2006, in Suwon, South Korea. He was a standout competitive swimmer specializing in freestyle and backstroke before being scouted by the agency. He was officially introduced on August 7, 2025, and debuted with the group CORTIS on August 18, 2025, with the release of the single “What You Want.” He trained for five years at the company and actively participated in the production of the group’s first mini-album, titled COLOR OUTSIDE THE LINES. Ahn Geon-ho stands out for his multifaceted personality. He combines a natural maturity with an extremely fun and quirky side that fascinates his fans. His character is defined by the following key traits: He is classified under the INTP personality type. Those around him and his own fans describe him as a quiet, thoughtful, and reserved boy in his daily life. He possesses a deep mind and great musical knowledge, allowing him to focus intensely when writing and composing songs for CORTIS. His past as a high-level competitive swimmer shaped his character; he developed profound discipline, resilience, and a strong work ethic from a very young age. This translates into his physical endurance and constant pursuit of perfection in choreography and on stage. Although he may initially come across as a shy boy, once he feels comfortable, he reveals a great sense of humor. Fans often joke that he has a very funny “diva attitude.” He is not afraid to annoy or play affectionate pranks on the older members of the group. On social media, he is associated with the 🙃 emoji, reflecting a spontaneous, relaxed, and slightly ironic charm. There is a strong contrast between his everyday shyness and his overwhelming confidence in front of cameras or at concerts. He is characterized by his constant respect and warmth toward his fellow members and the audience. His iconic, contagious smile always conveys a bright and positive vibe.

Updated September 23, 2026