Koi No Aibou Kokoro No Cupid

One Ok Rock's song "Koi No Aibou Kokoro No Cupid" delves into the complexities of love and emotional regulation. The lyrics open with a dramatic metaphor, describing the beginning of a 'third personal world war,' symbolizing the intense internal conflict that comes with deep emotional experiences. The singer speaks of finding a unique emotional connection, a 'true understanding' that accepts their vulnerabilities. This connection is described as a 'fate without contradictions,' suggesting a perfect match that brings clarity to the otherwise invisible emotions of the heart.

The song's chorus introduces the concept of 'heart's cupids,' personifying the emotions that struggle and pulse within. These cupids represent the raw, unfiltered feelings that come with love, urging the listener to temper their emotional responses. The idea of 'emotional adjustment' or 'regulation' is a recurring theme, emphasizing the need to balance one's feelings to maintain harmony in relationships. The passage of time is also a significant element, with the lyrics reflecting on two years of a relationship and the realization that the initial intense emotions may not reappear, but the memories and the impact of that love remain.

As the song progresses, it touches on the inevitability of change and the duality of human experiences—meeting and parting, joy and sorrow. The lyrics caution about the sudden appearance of 'demons,' symbolizing challenges or negative emotions that can disrupt happiness. The singer questions the listener's preparedness for such tragedies and underscores the importance of self-regulation in navigating these emotional upheavals. Ultimately, the song is a poignant exploration of love's journey, the importance of emotional balance, and the enduring impact of meaningful connections.