Data updated: July 2026
SEIKIN セイキン ✓
@seikin_official · Instagram · JP · music
About SEIKIN セイキン
@seikin_official's followers & following
@seikin_official currently has 351,937 followers on Instagram and follows 13 accounts, a follower-to-following ratio of 27,072.08. That places the account in the mid tier of music creators.
@seikin_official's content
@seikin_official has published 289 posts to date, working across reels, long-form-video, stories, static-posts. The account's content is classified under music, entertainment. Bio: “【動画・音楽クリエイター】「YouTubeテーマソング」作者。兄弟音楽ユニット「HIKAKIN & SEIKIN」作詞作曲担当。 YouTube・TikTok・お問合せ等はこちら ➡︎ http://linktr.ee/seikin”
AI quality check on @seikin_official
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
@seikin_official's rankings on Zaver
Based on follower count among creators that passed Zaver's indexing quality bar.
@seikin_official's audience
Audience snapshot
50% male · 50% female
Core age group25-34
Collaboration pricing
Price tierPremium
Get the AI fair-price estimate → free trialWhich brands fit SEIKIN セイキン?
Frequently asked questions
How many Instagram followers does @seikin_official have?
As of July 2026, @seikin_official has 351,937 followers (352K) on Instagram, follows 13 accounts, and has published 289 posts. Zaver refreshes these numbers on a rolling basis.
How do I contact @seikin_official?
Verified contact details for @seikin_official — including business email where available — are held in Zaver, alongside contacts for 77M+ other Instagram creators. Zaver users can unlock them instantly and reach out with AI-personalized outreach. Unlock @seikin_official's contact info — free trial →
How much does @seikin_official charge for a sponsored post?
@seikin_official sits in the premium 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 @seikin_official's net worth?
@seikin_official's net worth isn't publicly verified, and Zaver doesn't estimate personal wealth. What can be assessed is sponsored-post earning potential: with 352K followers and a premium price tier in music, brand collaborations are a meaningful income stream — Zaver's AI pricing model estimates what each placement is worth. See the earning-potential estimate →
Does @seikin_official have fake followers?
Zaver's AI authenticity check scores @seikin_official 95/100, 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 @seikin_official?
@seikin_official's 352K followers skew 50% male / 50% female, core age group 25-34. Full audience breakdowns — age bands, gender split and country-level distribution — are part of @seikin_official's report on Zaver.
Which influencers are similar to @seikin_official?
Zaver lists comparable music creators in Japan in the "Influencers like @seikin_official" section on this page, matched by niche, audience size and engagement. Zaver users can also search all 124,111 vetted music creators with plain-English queries.
