Best search-friendly route
Start at HiKR Ground and Cheonggyecheon for official visitor context, move to Hongdae for youth culture and music streets, continue to Seongsu for cafes and pop-ups, then finish in Myeongdong for beauty, albums, snacks, and easy subway access.
This is not a celebrity sighting guide. It is a public K-culture route for travelers who want fan energy without entering private agency property or relying on rumors.
K-pop Seoul itinerary, album shopping Seoul, Hongdae K-pop street, Seongsu pop-up stores, Myeongdong beauty travel.
Personal color analysis, T-money, Hongdae hotels, city passes, and Seoul experiences work naturally with this route.