I'm a 🇯🇵solo-globetrotter🧳 Japan & Global amazing photo gallery #SonyAlpha #旅好きな人と繋がりたい #写真好きな人と繋がりたい ご依頼はDM✉へ 🍴@riverwill_kay_plus
Outreach This Creator For FreeMayumi is a Photography brand based in Japan, with 12.7K followers on Instagram. Content spans photography and lifestyle. The account has published 2,219 posts, currently around 2 posts a week. Engagement runs at 4.87%, or about 607 likes and 10 comments per post.
Riverwill_kay operates a Photography account on Instagram, pairing 12.7K followers with 2,219 posts.
Riverwill_kay records a 4.87% engagement rate, above the median of 2.46% for the 3,423 Photography accounts with 10K–100K followers tracked in the InstME index.
For roughly every 62 likes there is one comment, an audience that mostly engages through likes.
Over recent weeks, Riverwill_kay has published about one post per week.
Estimated sponsored-post value
$180–$330
Based on 12.7K followers and a 4.87% engagement rate, a single sponsored post by Riverwill_kay is worth an estimated $180–$330. This is a modeled range, not a quoted rate, actual pricing varies by niche, content format, usage rights and exclusivity.
Audience (estimated)
Est.More men than women · mostly 25–44
Typical for Photography creators in Japan, modeled from the niche, not measured for this account.
Content Focus
Primary: Photography
Secondary: Lifestyle
| Metric | Riverwill_kay | Cohort median |
|---|---|---|
| Engagement rate | 4.87% | 2.46% |
| Average likes | 607 | 523 |
| Average comments | 10 | 25 |
| Posts per week | 1.91 | 0.23 |
Median values from 3,423 Photography accounts with 10K–100K followers in the InstME index, refreshed Jul 19, 2026.
| Metric | Riverwill_kay | Cohort median |
|---|---|---|
| Engagement rate | 4.87% | 3.88% |
| Average likes | 607 | 580 |
| Average comments | 10 | 14 |
| Posts per week | 1.91 | 0.19 |
Median values from 30 Photography accounts in Japan with 10K–100K followers in the InstME index, refreshed Jul 19, 2026.
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Last reviewed: Sep 23, 2026
Mayumi is a photography brand based in Japan on Instagram, with 12.7K followers.
Mayumi posts on Instagram as @riverwill_kay.
Mayumi has 12,655 followers on Instagram (12.7K) as of Sep 23, 2026.
Mayumi's engagement rate is 4.87%, calculated from average likes and comments per post relative to followers. That is above the median of 2.46% for Photography accounts with 10K–100K followers in the InstME index.
Posts by Mayumi average 607 likes and 10 comments.
Mayumi posts about 2 times per week on average.
Mayumi is registered as a business account on Instagram.
Mayumi is categorized as a photography and lifestyle account in the InstME index, based on the profile's bio and Instagram category across 2,219 posts.
Mayumi's profile places the account in Japan. Location comes from public profile signals, so treat it as the account's stated market rather than a confirmed address.
Total Posts
2,219
Avg Comments
10
Engagement
2.68%
A sponsored post from Mayumi is estimated at $180 to $330. This is a model based on audience size and engagement, not a rate card, so real pricing is set by the creator.
