Data updated: July 2026
松原 聖弥 ✓
@m_seiya59 · Instagram · JP · sports
About 松原 聖弥
松原 聖弥 is a micro influencer on Instagram, primarily focused on sports. With a follower count of 73,123, he engages his audience through various content formats including reels, stories, and static posts. His biography reflects his professional journey in baseball, having played for notable teams such as 読売ジャイアンツ and 埼玉西武ライオンズ. His content is characterized by a personal and storytelling tone, appealing to fans and sports enthusiasts. Some content may require brand review.
@m_seiya59's followers & following
@m_seiya59 currently has 73,123 followers on Instagram and follows 628 accounts, a follower-to-following ratio of 116.44. That places the account in the micro tier of sports creators.
@m_seiya59's content
@m_seiya59 has published 94 posts to date, working across reels, stories, static-posts. The account's content is classified under sports, sports. Bio: “読売ジャイアンツ 2017〜2024 埼玉西武ライオンズ 2024〜2025 本当にありがとうございました😊 お仕事のご依頼はメールへお願いします✉️”
AI quality check on @m_seiya59
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
@m_seiya59's rankings on Zaver
Based on follower count among creators that passed Zaver's indexing quality bar.
@m_seiya59's audience
Audience snapshot
70% male · 30% female
Core age group25-34
The audience skews predominantly male at 70% and primarily falls within the 25-34 age range. The top geographical location of his followers is Japan, suggesting a localized engagement with sports content.
Collaboration pricing
Price tierstandard
Get the AI fair-price estimate → free trialWhich brands fit 松原 聖弥?
Brands in the sports industry or those looking to connect with a young, male demographic may find a good fit with 松原 聖弥. His authentic and professional vibe aligns well with sports-related products and services, making him a suitable partner for relevant collaborations.
Frequently asked questions
How many Instagram followers does @m_seiya59 have?
As of July 2026, @m_seiya59 has 73,123 followers (73K) on Instagram, follows 628 accounts, and has published 94 posts. Zaver refreshes these numbers on a rolling basis.
How do I contact @m_seiya59?
Verified contact details for @m_seiya59 — 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 @m_seiya59's contact info — free trial →
How much does @m_seiya59 charge for a sponsored post?
@m_seiya59 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 @m_seiya59's net worth?
@m_seiya59's net worth isn't publicly verified, and Zaver doesn't estimate personal wealth. What can be assessed is sponsored-post earning potential: with 73K followers and a standard price tier in sports, brand collaborations are a meaningful income stream — Zaver's AI pricing model estimates what each placement is worth. See the earning-potential estimate →
Does @m_seiya59 have fake followers?
Zaver's AI authenticity check scores @m_seiya59 98/100, 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 @m_seiya59?
@m_seiya59's 73K followers skew 70% male / 30% female, core age group 25-34. Full audience breakdowns — age bands, gender split and country-level distribution — are part of @m_seiya59's report on Zaver.
Which influencers are similar to @m_seiya59?
Zaver lists comparable sports creators in Japan in the "Influencers like @m_seiya59" section on this page, matched by niche, audience size and engagement. Zaver users can also search all 42,421 vetted sports creators with plain-English queries.
What is the follower count?
松原 聖弥 has 73,123 followers.
What is the engagement rate?
Engagement rate data is not available.
What is the collaboration pricing?
松原 聖弥 is estimated to be in the standard price tier for collaborations.
What is the content niche?
His primary niche is sports, with a focus on athletic content.
