Yes, Koreans do confess their love; it's considered a crucial step in initiating a romantic relationship.
For Koreans, a verbal confession is often essential to move from a casual acquaintance or "some" stage to an official relationship. According to the provided reference, confessing their love to a crush is deemed a crucial step for a romantic relationship to begin. Only when one party makes the confession does the "some" stage end, and the two become a couple (Reference: 16-May-2022). This highlights the importance placed on direct and explicit declarations of romantic interest.
