October 2025 brought a rich wave of fresh Japanese music to the Billboard Japan Hot 100.
From idol debuts to veteran bands and anime tie-ins, the month reflected how Japan’s pop scene continues to merge tradition, innovation, and cross-media storytelling.
🗓 New Songs That Entered the Billboard Japan Hot 100 in October 2025
| Title | Artist | Release Date |
|---|---|---|
| Stare In Wonder | BE:FIRST | Oct 6 2025 |
| 灯を護る (Hi o Mamoru) | Spitz | Oct 6 2025 |
| GHOST | Hey! Say! JUMP | Oct 8 2025 |
| TRUE LOVE | Snow Man | Oct 5 2025 |
| 劇上 (Gekijō / The Show) | YOASOBI | Oct 2 2025 |
| はちゃめちゃわちゃライフ！ | FRUITS ZIPPER | Oct 15 2025 |
| I | BUMP OF CHICKEN | Oct 15 2025 |
| パラノイドランデブー | 原因は自分にある。(Genjibu) | Oct 15 2025 |
| 自由への大脱走 ～Running Running Running～ feat. 湘南乃風 | THE RAMPAGE from EXILE TRIBE | Oct 15 2025 |
| miss you | CLASS SEVEN | Oct 20 2025 |
| Unhappy birthday構文 | 櫻坂46 (Sakurazaka46) | Oct 16 2025 (digital) / Oct 29 2025 (CD) |
🎙 Artist Introductions
BE:FIRST — The seven-member group from BMSG continues redefining the male-idol blueprint with self-produced, dance-driven tracks. Stare In Wonder shows their growing maturity and global pop polish.
Spitz — Japan’s evergreen pop-rock band since 1987, Spitz maintain lyrical nostalgia and gentle guitar melodies. Hi o Mamoru delivers warmth and reflection true to their legacy.
Hey! Say! JUMP — Veteran Johnny’s-born (now Starto Entertainment) idols blending clean vocals and intricate choreography. GHOST marks their Halloween-season foray into darker pop.
Snow Man — Chart juggernauts since 2020, balancing showmanship and heartfelt ballads. TRUE LOVE evokes 1990s romance tones and extends their crossover appeal.
YOASOBI — Duo Ayase × ikura transform literature into soundscapes. Gekijō continues their story-to-song formula with introspection on stage and identity.
FRUITS ZIPPER — The Harajuku “NEW KAWAII” idols combine vibrant dance-pop with anime tie-ins. はちゃめちゃわちゃライフ！ became their latest nationwide sing-along.
BUMP OF CHICKEN — Long-running rock storytellers known for anime themes and poetic realism. I ties to My Hero Academia Final Season, reaffirming their narrative power.
原因は自分にある。(Genjibu) — Experimental boy group merging synth-pop with conceptual artistry. パラノイドランデブー fuses dance beats and psychological motifs.
THE RAMPAGE from EXILE TRIBE — LDH’s 16-member powerhouse merging EDM with street dance. Their collab with 湘南乃風 on 自由への大脱走 injected reggae vigor into autumn charts.
CLASS SEVEN — TOBE’s rookie septet led by Hideaki Takizawa’s vision for transparent, modern idols. miss you marked a promising debut balancing vocals and sleek choreography.
櫻坂46 (Sakurazaka46) — Successors to Keyakizaka46, known for emotional depth and cinematic imagery. Unhappy birthday構文 unfolds bittersweet lyrics about memory and regret.
📈 What October 2025 Showed
October’s chart newcomers reflected a post-idol diversification: agencies like TOBE and BMSG expanded the male-group landscape, while established acts like Spitz and BUMP OF CHICKEN bridged generations. Anime and fashion tie-ins remained decisive in chart traction, underscoring Japan’s seamless media integration.
📚 Sources (Accessed November 2025)
- Billboard Japan Hot 100 — charts dated Oct 15, Oct 22, Oct 29 2025 (billboard-japan.com/charts/hot100)
- BMSG Official / BE:FIRST Newsroom — release info for “Stare In Wonder”
- Spitz Official Site — digital single announcement (灯を護る)
- Starto Entertainment (Hey! Say! JUMP / Snow Man) press releases Oct 2025
- YOASOBI Official / Ayase X ikura Twitter — “劇上” release Oct 2 2025
- Asobisystem News — FRUITS ZIPPER single “はちゃめちゃわちゃライフ！”
- LDH Japan — THE RAMPAGE feat. 湘南乃風 collaboration details
- TOBE Official — CLASS SEVEN debut announcement “miss you”
- Sakurazaka46 Official — digital pre-release and CD launch dates
- Billboard Japan Top Singles Sales (Oct 22 / Oct 29 issues) for physical sales context
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