COCOLINE is a rhinoplasty-focused clinic located near Apgujeong Station in Gangnam, Seoul. The clinic is led by Dr. Kim Sun-gu, an otolaryngology specialist with a practice focused on nasal surgery. Treatment areas include primary and revision rhinoplasty, functional rhinoplasty, no-implant rhinoplasty, autologous rhinoplasty, hump nose correction, deviated nose correction, bulbous tip correction, and alar base correction. The clinic operates under a single-surgeon system, with the representative doctor directly responsible for consultation and surgery. International patients can access English-language information as well as LINE and WeChat consultation channels.