After initially dropping out of the Top 100, the song went viral in late 2022 following Younha's live performances at university festivals. Its message of "hopeful goodbyes" resonated deeply with students facing new beginnings.

The song is part of a thematic trilogy in End Theory that includes "C/2022YH" (Comet) and "Black Hole," exploring existence and relationships through space-themed metaphors. A Rare "Reverse-Chart" Success

The song is famous for its "climb back" up the music charts months after its initial release.

from the university festivals that sparked the viral trend.

By November 2022, it achieved a Perfect All-Kill , topping all major South Korean real-time and daily charts simultaneously, including the Melon Chart .

It won Song of the Year (Daesang) and Best Pop Song at the Korean Music Awards and was a Top 5 annual hit on the Circle Chart . If you'd like to dive deeper, I can look for: