SEOUL, May 30 -- Rose of K-pop girl group Blackpink reportedly said reuniting with her bandmates for their world tour felt surprisingly natural despite spending the past year focused on solo projects.

The New Zealand-born singer, who promoted her solo album in the United States, said the time apart allowed each member of the global K-pop sensation to grow individually and return with renewed energy.

"Each of us has gone out and been inspired and learned so much about ourselves, and now we're coming back to each other with good energy," she was quoted telling British lifestyle magazine Dazed.

Though she spent time with the other members throughout the year, Rose admitted she hadn't interacted with the group's behind-the-scenes team, man...