NMIXX’s "긴 소원 (Birthday Wish)" opens the album Strange Muse with a tender, reflective tone that lingers long after the last note fades. This track stands out as a heartfelt exploration of longing and nostalgia, woven into the album’s introspective sound. The melody carries a quiet strength, balancing emotional depth with a sense of warmth that makes it instantly recognizable as a standout piece from the collection.

Crafted as the first track on Strange Muse, "긴 소원" serves as an intimate prelude to the album’s themes, offering listeners a glimpse into the artist’s lyrical and melodic approach. The song’s structure and delivery create a space for quiet introspection, making it a standout moment for fans of thoughtful, mood-driven music. Its placement at the beginning of the album sets the tone for the emotional journey that follows.

As part of Strange Muse, "긴 소원" showcases NMIXX’s ability to blend vulnerability with artistic precision. The track’s simplicity in arrangement doesn’t diminish its impact, instead allowing the lyrics and melody to take center stage. For those drawn to music that resonates with sincerity and emotional honesty, this song is a compelling entry point into the album’s world.