

プール挟んで よく目が合ってた
夏が似合わない 静かな子
日陰で ひとり本を読んでた
なのに 夏の生まれだった
時が過ぎて また会えたけど
知らない誰かに 変わってた
でも ちょんまげみたいな結び方は
あの頃のまま
何年も 経ったのに
全身に 一気に 押し寄せる
配達完了通知みたいに 遅れて届く
終わったはずなのに 終わったはずだけど
今ごろ また 思い出す
忘れたのに 忘れたいのに
あの夏の こだまが花火のように
みなもの まぶしさが 目に残る
ひと夏ぶん 続いた 視線
ろくに 話さなかったのに
ふたりの間でときが止まる
You're already gone but the light still flies
A million years of falling through the dark
Never gonna stop, never gonna slow
Crashing all the way to where I am
Oh——
Oh——
拭ったはずなのに 拭ったはずだけど
今ごろ また 込み上げる
忘れたのに 忘れたいのに
あの夏の こだまがまほろのように
Late light, late light
今でも 忘れられないままで
Years late, years late
今ごろ 胸が ざわついてる
Turns out she was looking at the clock behind me
- Lyricist
Cosmos Boys
- Composer
Cosmos Boys
- Producer
Cosmos Boys
- Guitar
Cosmos Boys
- Bass Guitar
Cosmos Boys
- Drums
Cosmos Boys
- Vocals
Cosmos Boys

Listen to Echo Of Summer by Cosmos Boys
Streaming / Download
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Echo Of Summer
Cosmos Boys
COSMOS BOYS returns with a new summer single for 2026, following their 1st full album "SIGNAL".
We used to catch each other's eyes across the pool - a bittersweet memory.
The memory of that summer arrives years late, like the light of a distant star.
The echo of that summer still bursts into the sky, even after all these years.
A foolish man's crush that came far too late.
A midsummer emo anthem from Minato Mirai, Yokohama.
Don't miss the very last line.
Artist Profile
Cosmos Boys
Cosmos Boys is a one-person project from the Minato Mirai waterfront of Yokohama, Japan, built on three themes: SPACE × FRIENDSHIP × REACHING. Cosmic scale meets the feelings buried in your chest. Cosmos Boys began in August 2025, releasing nine EPs as Chapter1 and a run of consecutive singles in Chapter2. The debut full-length album SIGNAL arrived on July 7, 2026, with new singles continuing since.
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