フレデリックのベース 作詞作曲 @frederigram
Outreach This Creator For FreeFollowers
42.1K
Following
304
Total Posts
Engagement Rate
5.56%
Avg Likes
2,335
Avg Comments
三原康司 フレデリック is a verified Music creator. The account has built 42.1K followers on Instagram. 三原康司 フレデリック has shared 450 posts to date, currently less than one post a week. Typical posts draw 2,335 likes and 7 comments, putting engagement at 5.56%.
Miharakoji is a Music account whose 450 posts have grown a following of 42.1K on Instagram.
Compared with 17,051 other Music accounts with 10K–100K followers in the InstME index, Miharakoji's 5.56% engagement rate is above the median of 2.47%.
One comment lands for every 350 likes, which reads as an audience that mostly engages through likes.
Miharakoji's output runs to less than one post per week.
On audience quality, Miharakoji lands at 100/100, an estimated 0% of followers read as low-quality or inactive, a strong signal of genuine reach.
With 42.1K followers but only 304 accounts followed back, Miharakoji shows the ratio of a well-established account.
Estimated sponsored-post value
$590–$1,100
Based on 42.1K followers and a 5.56% engagement rate, a single sponsored post by Miharakoji is worth an estimated $590–$1,100. This is a modeled range, not a quoted rate, actual pricing varies by niche, content format, usage rights and exclusivity.
Audience Health
~0% of followers look low-quality or inactive.
View Full AuditThere’s more behind this audience. See what the full audit reveals.Audience (estimated)
Est.| Metric | Miharakoji | Cohort median |
|---|---|---|
| Engagement rate | 5.56% | 2.47% |
| Average likes | 2,335 | 535 |
| Average comments | 7 | 35 |
| Posts per week | 0.99 | 0.35 |
Median values from 17,051 Music accounts with 10K–100K followers in the InstME index, refreshed Jul 19, 2026.
Get advanced audience quality signals, growth trend analytics, historical snapshots, and top-performing content patterns.
No credit card needed
Last reviewed: Jul 14, 2026
三原康司 フレデリック is a verified music creator on Instagram, with 42.1K followers.
三原康司 フレデリック posts on Instagram as @miharakoji.
三原康司 フレデリック has 42,086 followers on Instagram (42.1K) as of Jul 14, 2026.
三原康司 フレデリック's engagement rate is 5.56%, calculated from average likes and comments per post relative to followers. That is above the median of 2.47% for Music accounts with 10K–100K followers in the InstME index.
Posts by 三原康司 フレデリック average 2,335 likes and 7 comments.
三原康司 フレデリック posts less than once a week on average.
InstME's audience-quality analysis estimates about 0% of 三原康司 フレデリック's followers are low-quality or inactive, giving an audience-quality score of 100/100.
三原康司 フレデリック is registered as a creator account on Instagram and is verified.
三原康司 フレデリック is categorized as a music account in the InstME index, based on the profile's bio and Instagram category across 450 posts.
450
7
Posts / Week
0.99
Growth Score
100 / 100
ER Rank
Top 22%
More men than women · mostly 16–30
Typical for Music creators, modeled from the niche, not measured for this account.
Content Focus
Primary: Music
Engagement
9.61%
Yes. 三原康司 フレデリック carries the blue verified badge on Instagram.
A sponsored post from 三原康司 フレデリック is estimated at $590 to $1,100. This is a model based on audience size and engagement, not a rate card, so real pricing is set by the creator.