Synk: Aexis Line (single album)
2025 single album by Aespa
Synk: Aexis Line is the second special digital single album and third overall by South Korean girl group Aespa. It was released by SM Entertainment on November 17, 2025, and contains four tracks that were previously performed on their Synk: Aexis Line tour.
Background and release
On June 10, 2025, Aespa officially announced their third world tour, Synk: Aexis Line, via X and Weverse, with the first stop scheduled in Seoul from August 29 to August 30, 2025.
During their first stop in Seoul, the members unveiled solo performances featuring new, unreleased tracks, with each member participating in writing their own song. On November 13, 2025, SM Entertainment announced that Aespa would release the solo songs performed during the tour on digital platforms on November 17, coinciding with their fifth anniversary. Another version of the single album, containing the two sub-unit songs performed by Aespa beginning with the Tokyo shows of Synk: Aexis line, was released on August 9, 2026.
Composition
Synk: Aexis Line contains four tracks. The first track, "Blue", performed by Winter, is described as a pop-rock song distinguished by its gradually intensifying guitar sound. The lyrics express a determined resolve to keep moving forward despite feelings of helplessness, and complement her signature delicate vocal tone. The second track, "Ketchup and Lemonade", which is performed by Ningning, is described as an R&B track that pairs a subdued, languid sound with Ningning's emotive vocals.
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