Haruka Koizumi【超ときめき♡宣伝部】

@harukakoizumiofficial · JP · JA

japanese idol cover songs vlogs j-pop covers

Haruka Koizumi (@harukakoizumiofficial) is a Japan-based creator who posts Japanese-language cover songs, guitar clips, vlogs and member-life content on YouTube. The channel has about 26,300 subscribers and a median of roughly 19,000 views per video, with about 12 uploads in the past year. Estimated sponsored integration rate is $150 to $250 per video; no sponsorships were detected.

Why brands book Haruka

Japanese idol with a loyal fanbase for cover-song and lifestyle integrations

Median of about 19,000 views per video across recent uploads
Around 12 uploads in the past 365 days, roughly one per month
Engagement rate of about 6.9 percent, with a like rate near 6 percent

Best formusic and audio product launchesJapan-market lifestyle or beauty campaigns

Watch forContent is entirely Japanese and upload pace is slow, so timing needs planning.

Brand fit report

Content

Topics, IAB taxonomy

Music55%

Lifestyle35%

Entertainment10%

Formats: cover song videos, vlogs, guitar performance clips, live birthday streams
Tone: cheerful, warm
Language: Japanese
On camera: Yes, talking head
Production: Phone, natural light
Typical length: under 60 seconds for Shorts, 8 to 12 minutes for vlogs and features

Audience

Commercial intent10/100

Comments asking for links, prices or where to buy

Sentiment88/100

Estimated from titles, descriptions and engagement

Engagement6.9%

Likes and comments per view on recent videos

Audience asks aboutwhich songs she will cover nexthow to join the fan community and eventsdetails of her outfits, makeup and daily routine

Age

35%18-24

40%25-34

15%35-44

10%45+

Gender

35%women

65%men

Countries

🇯🇵 Japan90%

LanguagesJapanese 100%

Commercial

0%of the last 50 videos were sponsored

None seenno sponsored videos in the last 50

Brands seen: None yet
Categories promoted: None yet
Affiliate links: No

No sponsorship disclosures found in the last 50 videos

Suitability GARM Brand Safety Floor + Suitability

Profanitylow

Adultlow

Drugslow

Violencelow

Politicslow

Family friendly
Recent titles and descriptions are music covers, vlogs and fan-event content with no flagged themes.

We classify content, never people. No age, gender, ethnicity, religion or political views are inferred about the creator. Audience figures are estimates unless marked verified. Creators can correct anything on their profile.

Platforms

Platform	Followers	Median views	Uploads, 90d
YouTube	26k	19k	5
Instagram	–	–	–

Benchmark score: 60 / 100

Public rule, same for everyone. How it works.

Engagement Median views relative to followers50 / 50

Activity Uploads in the last 90 days5 / 30

Reach Followers on the main platform5 / 20

Recent videos

▶ノンフィクションズ/小泉遥香【歌ってみた】 · 13k views

▶ノンフィクションズ/小泉遥香【歌ってみた】 · 36k views

▶#最上級にかわいいの！弾いてみた🎸 · 18k views

Last three uploads, latest 11 days ago.

きみのハートにロックオン！超ときめき♡宣伝部超ときめき💗ピンクおはること小泉遥香です！自分らしく楽しみながら頑張ります😊 ぜひいつでも覗きに来てね！これからよろしくお願いします😆😆 ❁⃘*.ﾟInstagram＆TikTok…@haruka_koizumi_official フォローよろしくお願いします💗 ▶️Instagram https://instagram.com/haruka_koizumi_official ▶️TikTok https://vt.tiktok.com/ZSeVNWjas/

Haruka Koizumi【超ときめき♡宣伝部】's own profile description on YouTube

Are you Haruka Koizumi【超ときめき♡宣伝部】? Claim or remove this profile.

About Haruka Koizumi【超ときめき♡宣伝部】

Haruka Koizumi posts Japanese-language cover songs, guitar performances, vlogs and member-life content on YouTube, alongside her Instagram and TikTok accounts. Her channel has about 26,300 subscribers and typically draws around 19,000 views per video, with occasional spikes above 100,000 on popular cover songs.

Based on titles and comments context, her audience is likely to be mostly Japanese viewers, with a majority of men and a large share aged 25 to 34, though these are estimates from limited data. Uploads run at roughly one per month over the past year, and most sponsorship evidence is absent, so her channel reads as organic.

Brands considering a sponsored video should expect an estimated rate of $150 to $250 per video, which works out to about $20 to $35 CPM against median views; paid social ads typically run at $10 CPM, so this is a premium placement. Japan-focused music, audio and lifestyle brands are the best fit.

Written from Haruka Koizumi【超ときめき♡宣伝部】's public YouTube profile, platform data and web mentions. Numbers updated 2026-10-19. Haruka Koizumi【超ときめき♡宣伝部】 can edit or remove this page at any time.

Questions about Haruka

How much does Haruka Koizumi charge for a sponsored video?

Estimated rates are $150 to $250 per video, based on a CPM of about $20 to $35 against her median of roughly 19,000 views. Her current channel shows no sponsored content, so these numbers are a starting estimate rather than a published rate card.

What does Haruka Koizumi post about on YouTube?

She posts Japanese cover songs, guitar performance clips, vlogs covering travel and daily life, and member-life content tied to her idol group. Most videos are music-led or lifestyle-focused, with some Shorts mixed in.

How do I contact Haruka Koizumi for a brand deal?

Contact details unlock on Starbooked for $0.80. Boosted creators can be booked directly through Starbooked.

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