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中世の古文書

中世の古文書

X @kojima_sakura
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📣Sponsored postOne tweet with your link and creative. $95→ 🧵Sponsored threadA multi-tweet thread — X rewards long-form, threads out-reac… $238→ 🎬Sponsored video postA dedicated video tweet — X pushes video hard, so it gets pr… $133→ 📌Pinned postA sponsored post pinned to the top of my profile for the mon… $285/mo→ 📍Post + pin comboA sponsored post that also stays pinned for a set number of … $152→ 🔁Repost / quote-tweet packageI repost or quote-tweet your posts through the month — distr… $190/mo→ 🔗Bio link placementYour link in my bio for the month — X allows only one, so it… $143/mo→ 🎙️X Spaces appearance / hostI host or feature you in an X Space (live audio) — a branded… $190→ 🤝Cross-promo / mutual shoutoutWe shout each other out — a value swap between accounts. Swap→ 🎬UGC HireBranded content for your own channels & ads from $50→ 🎙️Podcast guest spotInvite 中世の古文書 onto your podcast (~45 min, remote) $59→ 📞1:1 ConsultPaid video call — advice, coaching or Q&A $75/hr→

Every booking is a normal escrow-protected deal.

Followers
11.8K
Posts
9.5K
Following
35
Account age
14 yrs
🎁 Free analysisfor 中世の古文書
🕵️Fake Followers CheckReal-audience % & bot risk→ 📊Engagement rateBenchmarked vs. peers→ 💰What they chargeFair sponsored-post price→

📊 Activity & format

Follower / following
338×
Follows 35 back. A strong ratio — an audience that follows them, not a follow-for-follow network.

💡 Facts

🗓️Joined X in 2012 — 14 years ago.
🏅Earned the 10K Followers for passing 10K followers.

🕵️ Fake follower check

Estimated
62/100
Good Credibility score
94%
Real Real audience
Low Fake-follower risk
Medium Data confidence
  • Est. 94% real, active audience · Low fake-follower risk.
  • Limited engagement data — score uses the signals available.
  • Organic base — far more followers than accounts it follows.
  • Established account (14+ years old).

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

About

日本中世史を学んでいる小島道裕が2012年5月から2022年3月まで書いていたアカウントです（2020年５月からは実名入りでした）。定年退職に伴い、より個人的な本名のアカウントに移行しましたが、メモとして役に立ちそうなので残しています。 ツイログ： http://twilog.org/kojima_sakura

🔀 Audience overlap

Estimated

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

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Frequently asked questions

How much does 中世の古文書 charge for a sponsorship?
中世の古文書 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 中世の古文書 for a brand deal or collaboration?
Send a paid deal or collab request right here on SocialDB — we notify 中世の古文書, 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 中世の古文書 have?
中世の古文書 has 11,830 followers on X.

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