The song "Irodori" is a heartrending ballad that incorporates a wealth of sophisticated elements of electropop and future bass. Incorporating EDM and synth sounds, which are trending in the modern music scene, this song will reflect the latest music styles of the 2020s while singing about universal emotions. The song is based on the protagonist's unforgettable love, depicting the emotions of being shaken by memories of past relationships. In addition, the soft yet somewhat sad tones of the synths and the danceable rhythm combine to create a melody line that strongly draws in the listener's emotions. The simple yet profound lyrics express the sense of loss and regret that everyone experiences in love. As the beat gradually increases from the beginning of the song, the voice that quietly penetrates the heart envelops the listener, and emotions gradually build up, as if the stars in the night sky were flashing. Especially towards the chorus, the elation unique to electropop is strongly felt, and there is a strength that makes you feel hope even while carrying the pain of a broken heart. In addition, the incorporation of EDM elements gives the song emotional depth as well as a beat that gets the listener dancing. The danceable sound, which seems to contradict the sad lyrics, seems to express the inner conflict itself. This song embodies the flow of contradictory emotions, as one continues to dance while shedding tears, and will resonate deeply with those who have experienced heartbreak. This "electropop ballad," woven with meticulous future bass sound production and EDM beats, is modern yet expresses emotions that everyone can feel, and will be loved for generations to come.