'www.youtube.com/embed/wCriYW5dB98' Hapjeong's Hidden Gem: A Clean and Unique Sundae-guk Experience Nestled in the vibrant Hapjeong, Naweondong area, there's a Sundae-guk (Korean blood sausage soup) restaurant that has truly captured my attention. I'd often passed by, knowing it was near a friend's studio, and always harbored a curiosity about…