A Japanese service where creators sell original photos/videos, each item sold only to the first 5 buyers, and each buyer receives a handwritten message or a personal video message made for them.
In early 2020, One-line growth story, compiled by us from public sources; speculation is marked separately below.
Checkout: checkout.stripe.com
“'先着5名、あなたに向けたメッセージ付きの' (scarcity, not a listed mechanic); operator 株式会社DHN”Quote from the site
New-user source: Social media (Organic social). Direct 47.1%, social 29.2% (mainly X, then YouTube and Instagram), search 19.4%; search terms include a creator's name (千葉ゆうか) and 'onlyfive 支払い方法/手数料' (payment method / fees), showing fans arrive from links the creators post on X. Returning users come back as creators release new items.
Semrush source breakdown (desktop)
| Attributable new users, last month | Share |
|---|---|
| SEO | 8% |
| 29% | |
| Other | 63% |
Direct + brand search 59%. Direct and brand search count as viral only when the site shows sharing mechanics; the largest share wins, under 5% means Other.
| Country | Share of visits |
|---|---|
| Japan | 96.96% |
| Taiwan | 1.33% |
| United States | 1.09% |
| Hong Kong | 0.4% |
| Germany | 0.22% |
Countries (Semrush): Japan 82.7%, United States 5.1%, Germany 3.8%, Taiwan 2.0%, Norway 1.8%
Mainly Japanese, plus English/Malay/Korean
X (Twitter), YouTube, Instagram
146 keywords · brand ~59% · organic 100% / paid 0%
| Similarweb top 5 keywords |
|---|
| onlyfive |
| オンリーファイブ |
| onlyfive 支払い方法 |
| 千葉ゆうか |
| onlyfive 手数料 |
Non-brand queries: オンリーファイブ, 千葉ゆうか
| Category | Share of referrals |
|---|---|
| Computers Electronics and Technology - Other | 83.18% |
| Fashion and Apparel | 12.18% |
About 17,192 last month (Similarweb estimate), #172 of 606; the month before was 9,217. Opening checkout is not paying, so this is not revenue.
New-user source: Social media (Organic social). New users mostly come from YouTube, X, Reddit, TikTok and the like Direct 47.1%, social 29.2% (mainly X, then YouTube and Instagram), search 19.4%; search terms include a creator's name (千葉ゆうか) and 'onlyfive 支払い方法/手数料' (payment method / fees), showing fans arrive from links the creators post on X. Returning users come back as creators release new items.
Priced per item, with the price on each product page; credit card only; specific prices Not found
Dossier confidence: medium. Parts 1 and 2 come from reading the site and Similarweb data; part 3 from public reporting, founder posts, Wayback snapshots, WHOIS and similar, with speculation marked.
The number: checkout visits is Similarweb's estimate of visits from the site to a checkout payment page; opening checkout is not paying, so this is not revenue. Small sites land on fixed buckets.
Data through last month. Page updated 2026-10-26.
Scan with WeChat to pay; this page unlocks by itself once paid.
On a phone: save the QR image, then scan it from your photos in WeChat.