[unable to retrieve full-text content]NEW YORK, NY, UNITED STATES, March 21, 2026 /⁨EINPresswire.com⁩/ -- XEN, member of the K-pop boy group OMEGA X, has released a new digital single, “F KILLER.” XEN previously released his first solo single, “어디서부터 (From Where),” in November 2024, …

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