“Eternity” seems like it’s relatively happy at first. The members are with their girlfriends (all played by the same girl) in various situations (painting, dancing, playing piano, drinking coffee, or just teasing.) Because of the forlorn and intense expressions of the members while they sing, you do have a sense that the video it will end badly for everyone involved but you don’t know how. The aesthetic of the video itself also contributes to the feeling of unease, with the generally muted colors and perpetual blue making seemingly happy images feel more melancholy.
Then the girl turns to dust.
We see the members looking around for their girlfriend, implying that maybe she’s just a ghost. But then Ravi is dancing with the air, in blissful ignorance, while the girl is watching him from across the room. We see N interacting with the air as well, though it’s only a glimpse in reverse. And lastly, Ken’s picture of the girl disappears in the final notes of the song, showing that the girl was never real to begin with.
“This”Eternity” definitely counts as horror because it’s unabashedly eerie. It breaks your expectations of where the story is going towards the end and casts the rest of the video in a different light. The plot itself captures the nuance of the song, specifically tonally as it has both elements of cheerfulness and gloominess. It sticks with you long after you watch it, more than I would say “Blossom Tears” does. Both are excellent, but “Eternity” is the one that makes you contemplate your own existence when you’re done.