The song's depth comes from its vulnerability, expressed through several key themes:
: Frequent references to the moment feeling like a dream suggest the singer's disbelief in their own happiness.
: Suga’s verse mentions "Kafka on the Shore" (a nod to Haruki Murakami's novel), symbolizing a lost soul wandering through a metaphorical forest. The HYYH Era Context BTS - Butterfly (Romanized) Lyrics - Genius
: The chorus prominently asks, "Will you stay by my side? / Will you promise me?" . The lyrics express a deep-seated fear that even a light touch might cause the loved one to "fly away or shatter".
