Lab
experiment
Persistent YouTube Player
Video stays controllable from any tab. Play Silhouette, switch to Study, keep listening. Rewind/forward 5s or 10s to find the right lyrics.
What's different

シルエット

KANA-BOON
Try switching tabs while the video plays
Song PodcastTwo-person deep dive on lyrics & culture
AUDIO
Episode: シルエット — Deep Dive
シルエット
shiruetto
JP
silhouette
EN
Used as Naruto Shippuden Opening 16. The title captures chasing a dream you can barely see the outline of.
いっせーのーせ
issē nō se
JP
ready, set, go!
EN
踏み込む
fumikomu
JP
to step into
EN
知らぬ
shiranu
JP
don't know (literary)
EN
煌めく
kirameku
JP
to sparkle
EN
浮いて
uite
JP
floating · rising
EN
まだまだ
madamada
JP
still more · not done yet
EN
行けそう
ikesō
JP
seems like I can go
EN
忘れたふり
wasureta furi
JP
pretending to forget
EN
誰も彼も
daremo karemo
JP
everyone · each and all
EN
守り続ける
mamori tsuzukeru
JP
keep protecting
EN
笑える
waraeru
JP
can laugh
EN
少年
shōnen
JP
boy · youth
EN
なれなかった
narenakatta
JP
couldn't become
EN
変わっていく
kawatte iku
JP
keep changing
EN
変わらない
kawaranai
JP
doesn't change
EN
ひらりと
hirari to
JP
fluttering · lightly
EN
木の葉
konoha
JP
tree leaves
EN
大人になって
otona ni natte
JP
becoming an adult
EN
舞ってる
matteru
JP
dancing · fluttering
EN
飛んでゆく
tonde yuku
JP
fly away
EN
～ふりをする — "to pretend to"
Verb past plain form + ふりをする. Express feigning an action or feeling.
忘れたふりをした → "pretended to forget"
～続ける — "to keep doing"
Attach to a verb stem to express ongoing, sustained action.
守り続けたなら → "if I kept protecting"
～そうな気がする — "feels like it could"
Layers ～そう (seems like) and 気がする (I feel). Expresses subjective impression about possibility.
行けそうな気がしてた → "felt like I could keep going"
～ていく — action continuing forward
Te-form + いく. Expresses change or action moving forward into the future.
変わっていくもの → "things that keep changing"
～ぬ — classical negative
Archaic negative ending, equivalent to ～ない. Creates a poetic, timeless feel.
まだ知らぬ → "still don't know" (literary)
0/0
Again Got it
Song TriviaDeep cuts and background stories
TRIVIA
Naruto Shippuden OP16
Silhouette was the 16th opening theme for Naruto Shippuden, covering episodes 380-405. All four KANA-BOON members grew up as devoted Naruto fans — writing a Naruto opening was an explicit goal they set before they were even signed.
The Konoha Easter Egg
The bridge uses the word 木の葉 (konoha, "tree leaves") — which is also the name of Naruto's Hidden Leaf Village. Almost certainly a deliberate double meaning.
338 Million Views and Counting
The official music video has over 338 million YouTube views. In 2025, the song went viral again on TikTok due to a dance trend — over a decade after its release.
Written from the Heart, Not the Script
Vocalist Maguro Taniguchi didn't write the lyrics to match Naruto's storyline. He said: "If we just did our best to put our feelings into the lyrics, they'd line up with the world of Naruto."
いっせーのーせ — A Childhood Chant
The opening phrase いっせーのーせ is a children's counting-in call, like "ready, set, go" in English. Japanese kids use it before jumping into a pool or lifting something together. It anchors the entire song in the feeling of childhood.
Current vs. This Experiment
Current
Switching from Listen to Study kills the video. Have to switch back and re-find your spot. No fine-grained seeking.
This Build
Video keeps playing in background. Mini-bar has 5s/10s skip buttons to line up with the right lyrics. Full song page with working study, runner, and trivia.
シルエット — KANA-BOON
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シルエット — KANA-BOON