Data updated: July 2026
古関れん ✓
@renkoseki · Instagram · JP · entertainment
About 古関れん
古関れん, known as renkoseki, is an entertainer on Instagram with a follower count of 40,800, placing her in the micro influencer category. She shares content primarily focused on entertainment, utilizing various formats such as stories, static posts, and reels. Her authentic and relatable tone resonates well with her audience, fostering a personal connection. Some content may require brand review.
@renkoseki's followers & following
@renkoseki currently has 40,800 followers on Instagram and follows 1,411 accounts, a follower-to-following ratio of 28.92. That places the account in the micro tier of entertainment creators.
@renkoseki's content
@renkoseki has published 230 posts to date, working across stories, static-posts, reels. The account's content is classified under entertainment. Bio: “@notmybirthday_official 療養中”
AI quality check on @renkoseki
Zaver's AI analyzed this account across 20+ parameters before listing it publicly. No blocking issues were detected in our standard screening.
- Audience location & demographics
- Engagement quality & authenticity
- Follower growth patterns
- Signs of purchased followers
- Content niche classification
- Brand safety screening
- Posting activity & consistency
- Language & audience fit
@renkoseki's rankings on Zaver
Based on follower count among creators that passed Zaver's indexing quality bar.
@renkoseki's audience
Audience snapshot
50% male · 50% female
Core age group18-24
The audience skews evenly between genders, with a notable age concentration in the 18-24 demographic. The primary geographic location of her followers is Japan, suggesting a localized appeal.
Collaboration pricing
Price tierstandard
Get the AI fair-price estimate → free trialWhich brands fit 古関れん?
Brands in the entertainment sector may find alignment with 古関れん due to her focus on relatable and authentic content. Collaborations that emphasize emotional and personal storytelling could resonate well with her audience.
Frequently asked questions
How many Instagram followers does @renkoseki have?
As of July 2026, @renkoseki has 40,800 followers (41K) on Instagram, follows 1,411 accounts, and has published 230 posts. Zaver refreshes these numbers on a rolling basis.
How do I contact @renkoseki?
Verified contact details for @renkoseki — including business email where available — are held in Zaver, alongside contacts for millions of other Instagram creators. Zaver users can unlock them instantly and reach out from your own inbox. Unlock @renkoseki's contact info — free trial →
How much does @renkoseki charge for a sponsored post?
@renkoseki sits in the standard price tier on Zaver, based on follower scale, engagement and niche. Zaver's AI pricing model also produces a fair per-post price range with justification, so brands can negotiate from data instead of guessing. Get the AI fair-price estimate →
What is @renkoseki's net worth?
@renkoseki's net worth isn't publicly verified, and Zaver doesn't estimate personal wealth. What can be assessed is sponsored-post earning potential: with 41K followers and a standard price tier in entertainment, brand collaborations are a meaningful income stream — Zaver's AI pricing model estimates what each placement is worth. See the earning-potential estimate →
Does @renkoseki have fake followers?
Zaver's AI authenticity check scores @renkoseki 90/100, based on 20+ signals including engagement quality, follower growth patterns and signs of purchased followers. That indicates a predominantly genuine audience. Run the full authenticity check →
Who follows @renkoseki?
@renkoseki's 41K followers skew 50% male / 50% female, core age group 18-24. Full audience breakdowns — age bands, gender split and country-level distribution — are part of @renkoseki's report on Zaver.
Which influencers are similar to @renkoseki?
Zaver lists comparable entertainment creators in Japan in the "Influencers like @renkoseki" section on this page, matched by niche, audience size and engagement. Zaver users can also search all 61,892 vetted entertainment creators with plain-English queries.
What is the follower count?
古関れん has a follower count of 40,800.
What is the engagement rate?
The engagement rate data is not available.
What is the collaboration pricing?
The estimated price tier for collaborations is standard; however, pricing can vary.
What is the content niche?
The primary niche of 古関れん is entertainment.
