WHO OWNS JAPAN? Best K-Pop Act in Japan 2026

July 2026 is flooded with Japanese comebacks, but this poll is bigger than any single month. It is about the full K-pop Japan legacy: TWICE logging nearly 900 cumulative weeks on Billboard Japan, BTS holding nine Oricon number ones, and pioneering acts like Girls Generation and KARA who wrote the blueprint for everyone that followed. Which group truly owns Japan?