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⭐4.9M influencer listings 🏢58.7K sponsor listings 🌍74.5B combined audience reach 📊13 platforms indexed 🗺️130+ countries covered 🏷️10,000+ niches 🦋2.1M Bluesky creators 🎙️1.2M podcast creators 🟣855K Twitch creators 🐘165.3K Mastodon creators 🥊120.8K Kick creators 📈119.8K Pinterest creators 𝕏102.3K X creators ▶️90.5K YouTube creators ✈️60.7K Telegram creators 🎵43.6K TikTok creators 🎮8.9K Discord creators 🎬4.3K Rumble creators 📈2.4K Substack creators 🧵1.8K Threads creators ⭐4.9M influencer listings 🏢58.7K sponsor listings 🌍74.5B combined audience reach 📊13 platforms indexed 🗺️130+ countries covered 🏷️10,000+ niches 🦋2.1M Bluesky creators 🎙️1.2M podcast creators 🟣855K Twitch creators 🐘165.3K Mastodon creators 🥊120.8K Kick creators 📈119.8K Pinterest creators 𝕏102.3K X creators ▶️90.5K YouTube creators ✈️60.7K Telegram creators 🎵43.6K TikTok creators 🎮8.9K Discord creators 🎬4.3K Rumble creators 📈2.4K Substack creators 🧵1.8K Threads creators
K・HIRAYAMA

K・HIRAYAMA✓

X @hirayamayuukain
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🔄 Data last refreshed 7 hours ago
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Make a deal with K・HIRAYAMA

🔒 Paid proposals held safely in escrow — released only when the work's approved.

📣Sponsored postOne tweet with your link and creative. $336→ 🧵Sponsored threadA multi-tweet thread — X rewards long-form, threads out-reac… $840→ 🎬Sponsored video postA dedicated video tweet — X pushes video hard, so it gets pr… $470→ 📌Pinned postA sponsored post pinned to the top of my profile for the mon… $1,008/mo→ 📍Post + pin comboA sponsored post that also stays pinned for a set number of … $538→ 🔁Repost / quote-tweet packageI repost or quote-tweet your posts through the month — distr… $672/mo→ 🔗Bio link placementYour link in my bio for the month — X allows only one, so it… $504/mo→ 🎙️X Spaces appearance / hostI host or feature you in an X Space (live audio) — a branded… $672→ 🤝Cross-promo / mutual shoutoutWe shout each other out — a value swap between accounts. Swap→ 🎬UGC HireBranded content for your own channels & ads from $147→ 🎙️Podcast guest spotInvite K・HIRAYAMA onto your podcast (~45 min, remote) $147→ 📞1:1 ConsultPaid video call — advice, coaching or Q&A $75/hr→

Every booking is a normal escrow-protected deal.

Followers
42K
Posts
25K
Following
373
Account age
12 yrs
🎁 Free analysisfor K・HIRAYAMA
🕵️Fake Followers CheckReal-audience % & bot risk→ 📊Engagement rateBenchmarked vs. peers→ 💰What they chargeFair sponsored-post price→

📊 Activity & format

Follower / following
113×
Follows 373 back. A strong ratio — an audience that follows them, not a follow-for-follow network.
Verification
✓ X Premium
A paid X Premium (Blue) verified account.

💡 Facts

🗓️Joined X in 2013 — 12 years ago.
🏅Earned the 10K Followers for passing 10K followers.

🕵️ Fake follower check

Estimated
70/100
Good Credibility score
97%
Real Real audience
Low Fake-follower risk
Medium Data confidence
  • Est. 97% real, active audience · Low fake-follower risk.
  • Limited engagement data — score uses the signals available.
  • Organic base — far more followers than accounts it follows.
  • Verified account.
  • Established account (12+ years old).

Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.

About

山梨在住の歴史学者。健康科学大学特任教授。ポニーキャニオン所属。著作は、『戦国大名領国の基礎構造』（校倉書房）、『天正壬午の乱』（戎光祥出版）、『武田氏滅亡』（角川選書）、『戦国の忍び』（角川新書）など多数。

🔀 Audience overlap

Estimated

Estimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.

Aftershock PC Australia Aftershock PC Australia 18% THAT @REM SHOW THAT @REM SHOW 17% Momodou ✊🏿 Momodou ✊🏿 17% Tygodnik Solidarność - tysol.pl Tygodnik Solidarność - tysol.pl 13% XART XART 13% RoxiCake Gamer🤞👻 RoxiCake Gamer🤞👻 11%

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Frequently asked questions

How much does K・HIRAYAMA charge for a sponsorship?
K・HIRAYAMA hasn't published fixed prices yet. Send a proposal through SocialDB and agree terms directly — your payment is held in escrow until the work is approved.
How do I contact K・HIRAYAMA for a brand deal or collaboration?
Send a paid deal or collab request right here on SocialDB — we notify K・HIRAYAMA, and once they accept, your payment is held safely in escrow and released when the work is approved. You don't need to track down an email.
How many followers does K・HIRAYAMA have?
K・HIRAYAMA has 41,984 followers on X.

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Booking an event / appearance is a Pro feature. Upgrade to book K・HIRAYAMA for an in-person or virtual appearance — payment held safely in escrow until the event is done.

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