八木沼悟志

八木沼悟志

@sat_fripSide

fripSide/ALTIMA/pmworks,Inc. CEO

https://fripside.net/ Joined 2010-03-19 Date of Analysis: Dec 16, 2025

71,452

Followers

254

Following

8,831

Tweets

561.3

Avg Engagement

1,328

Listed

No

Verified

Account Overview

What This Report Covers

This comprehensive analysis examines @sat_fripSide's Twitter/X presence across multiple dimensions. We analyze tweet content, engagement patterns, audience demographics, posting habits, and network connections to provide actionable insights about this account's social media strategy and influence.

Account Classification

  • Account Size: Mid-Tier (10K+)
  • Account Age:2010-03-19
  • Verification:No
  • Location:Not specified

Data Summary

  • Tweets Analyzed:3,216
  • Avg Likes per Tweet:379.8
  • Avg Retweets per Tweet:181.5
  • Followers Analyzed:10,000

Engagement Analysis

Based on 3,216 tweets

The account has an average of 5,831 likes and 2,350 retweets per tweet, indicating strong fan interaction. The content is well-received and often shared, especially during significant events like member departures.

379.8

Avg Likes/Tweet

181.5

Avg Retweets/Tweet

1,221,439

Total Likes

583,554

Total Retweets

Engagement Quality Analysis

Median-based metrics that resist fake virality and outliers.

247

Median Likes

82

Median Retweets

664

75th Percentile

17,446

Top Tweet

7.85

Engagement per 1K Followers

Normalized influence metric

Long Tail

Engagement Pattern

Mix of hits and regular posts

Posting Behavior

Content style and format preferences

Mixed

Balanced content approach

47.3%

Original

16.1%

Replies

19.4%

Retweets

17.2%

Quotes

0.0%

Threads

0.2%

With Media

62.0%

With Links

46.3%

With #Tags

36.6%

With @Mentions

10.3%

With Emojis

80

Avg Length

Audience Reaction Profile

Interactive

Balances broadcasting with conversation

0.34

Reply/Original Ratio

0.89

Quote/RT Ratio

Posting Rhythm

Highly Bursty

Posts in concentrated bursts

67.4%

Weekday Posts

32.6%

Weekend Posts

Top Hashtags

#fripside (1111) #freakside (531) #fripmaihama (93) #八木沼悟志 (65) #altima (47) #南條愛乃 (25) #angela (25) #animaxmusix (25) #nbcフェス (22) #超電磁砲t (21)

Most Mentioned

@fripside_fc (321) @sat_fripside (286) @nbc_anime_music (116) @nanjolno (67) @hisayoabe (26) @maouesugi (19) @lis_ani (15) @yagihanshouten (15) @lisani_news (14) @kurosakimaon (14)

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Content Strategy Analysis

Based on 3,216 tweets

Content Type Distribution

Content Breakdown

Original Tweets 1,521 (47%)
Replies 519 (16%)
Retweets 623 (19%)
Quote Tweets 553 (17%)

What This Reveals About Their Strategy

This is a content-creator focused account that primarily shares original thoughts, ideas, and media. With original content dominating their feed, they position themselves as a source of new information rather than a curator. This strategy works well for establishing thought leadership.

The 623 retweets (19% of activity) show they also amplify content from others, which helps build relationships with other accounts and provides value to followers by surfacing relevant content.

Posting Patterns & Optimal Timing

Based on 3,216 tweets

Engagement by Hour (UTC)

Posting Frequency Over Time

Timing Insights

Understanding when an account posts and when their audience is most responsive provides valuable competitive intelligence. The charts above show when this account's content receives the most engagement, which often correlates with when their specific audience is most active on the platform.

Peak posting times vary significantly based on an account's audience demographics, timezone distribution, and content type. Accounts with global audiences often see engagement spread across multiple time windows, while those with regional focus may have more concentrated peaks.

Audience Demographics

Based on 10,000 followers

The audience consists mainly of fans of fripSide, likely aged 15-35, who are emotionally invested in the group's activities. They are highly engaged and responsive to updates and announcements.

Average

Audience Quality

20.3%

Suspicion Index

19.4%

Low-Quality %

60

Median Reach

Audience Quality Signals

Lower percentages indicate healthier, more authentic followers.

26.5%

Empty Bio

17.8%

<10 Tweets

16.0%

Mass Following (>2K)

0.0%

New (<90 days)

45.6%

Low Ratio (<0.1)

0.0%

New (<180 days)

87.0%

No URL

12.4%

<3 Tweets

Free Mode Analysis: These quality metrics use heuristic signals (empty bios, low tweets, suspicious ratios). For ML-powered bot detection with 95%+ accuracy, use our dedicated tool.

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Follower Reach & Influence

This account's followers have their own audiences, creating potential for secondary amplification.

4,566,992

Total Potential Reach

60

Median Follower Reach

269

75th Percentile Reach

7.2%

>1K followers

0.4%

>10K followers

0.1%

>50K followers

0.0%

>100K followers

Creator vs Consumer Split

Classification based on tweet activity: Creators (>100 tweets), Consumers (10-100 tweets), Dormant (<10 tweets).

68.1%

Creators

6,809 accounts

14.1%

Consumers

1,414 accounts

17.8%

Dormant

1,777 accounts

50

Verified Followers

0.5% of total

0.7%

Professional Bios

founder, dev, analyst, etc.

0.13

Median Follow Ratio

follower/following

Follower Influence Distribution

How many followers do their followers have?

Follower Account Age

How long have followers been on Twitter?

Geographic Distribution

Top locations where followers are based (from those who share location data):

日本 (201) Japan (83) 東京 (47) 日本 東京 (46) Hong Kong (42) Taiwan (34) People's Republic of China (26) 東京都 (23) 大阪 (23) Tokyo-to, Japan (21)

50

Verified Followers

0.5% of total

1,523

Protected Accounts

15.23% of total

5 years

Avg Account Age

of their followers

Notable Followers (By Influence)

Top accounts following this user, sorted by their follower count:

Username Followers Profession Interests
@nauru_japan 467,161 Tourism tourism, government, promotion
@joyride1969 140,495 Illustrator anime, special effects, erotic art
@renjiro_sps 102,274 Content Creator Gaming, Entertainment, Videos
@cocoa_domyoji 101,888 Singer RIOT MUSIC, TikTok, courage
@kamechan7407 93,683 Mascot Drums, Mascot, Cats
@shinsekaihero 63,899 - -
@sakurazaka_herj 57,678 Food Blogger Linger Hut, Alcohol, Politics
@Chiitan_Osaka 56,510 - -
@oni_2929 53,691 Gamer Pazudora, Monsto, MJ
@animategyoza 51,724 Retailer Anime, Manga, Games

Top Keywords in Follower Bios

fripside (267) rt (91) youtube (76) dm (75) fgo (73) vtuber (72) twitter (66) love (62) anime (59) p (56)

Top Hashtags in Follower Bios

#ハ (33) #フ (32) #fripside (31) #アニメ (20) #ホ (18) #カ (16) #南條愛乃 (15) #ウマ娘 (14) #ケ (12) #ヘフ (11)

7,354

Followers With Bio

2,646

Followers Without Bio

73.54%

% With Bio

26.46%

% Without Bio

Why Audience Demographics Matter

Understanding who follows an account reveals the type of influence they hold. Accounts followed primarily by users with few followers indicate broad, mainstream appeal. Those with many high-follower followers have greater potential for content amplification through secondary sharing.

Account age distribution also tells a story: a follower base with many new accounts might indicate recent viral growth, while established followers suggest long-term, stable influence. Geographic data helps understand the cultural context and timezone spread of the audience.

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Viral Tweets

Top 5 by likes+RTs from 3,216 analyzed

67,166

Combined Engagement

28,694

Total Likes

38,472

Total Retweets

13,433

Avg per Tweet

Key Metrics for Viral Tweets

0%

With Media

40%

With Hashtags

40%

With @Mentions

40%

With Links

Topical Analysis:

Music Fan Engagement Gratitude Group Announcements Emotional Connection Member Departures
八木沼悟志
@sat_fripSide

RT @nanjolno: 私、南條愛乃のfripSide卒業が発表されました。が!特番でもお話したように、最後まで今のfripらしくゲラゲラ笑いながら楽しく走り切りたいと思います!アリーナツアーなどのお知らせも沢山発表されました。卒業の瞬間まで是非みんなで一緒に楽しい時間を過ごさせてください! https://t.co/u8ewMjj7Dd

2021-10-31
Retweets: 17,446 Likes: 0 Engagement: 17,446
八木沼悟志
@sat_fripSide

南ちゃんの来春のfripSide卒業が発表されました。共に駆け抜けた12年、ファンの皆様に支えられながら、たくさんの素晴らしい思い出を作ることが出来ました!半年後のツアー最終日まで、fripSideらしく笑顔で駆け抜けたいと思います!よろしくお願いします #fripSide #八木沼悟志

2021-10-31
Retweets: 4,885 Likes: 10,444 Engagement: 15,329
八木沼悟志
@sat_fripSide

涙が止まりません

2023-02-28
Retweets: 2,736 Likes: 10,238 Engagement: 12,974
八木沼悟志
@sat_fripSide

RT @toaru_project: TVアニメ「とある科学の超電磁砲T」#7 放送スケジュール変更についてお知らせがございます。詳しくはアニメ公式サイトをご覧ください。https://t.co/TCdRZJzbYe #超電磁砲T

2020-02-17
Retweets: 11,586 Likes: 0 Engagement: 11,586
八木沼悟志
@sat_fripSide

おはようございます。 あらためまして、13年間2期fripSideを応援頂き誠にありがとうございました! そして南ちゃん、本当にお疲れ様でした!

2022-04-25
Retweets: 1,819 Likes: 8,012 Engagement: 9,831

Key Insights & Takeaways

The account frequently shares emotional and heartfelt messages, which resonate strongly with the fanbase. It emphasizes gratitude and appreciation for the fans' support, which strengthens the connection between the group and its audience. The use of hashtags and personal expressions helps in increasing visibility and engagement.

Strengths

  • + Strong engagement rates above platform average
  • + Established follower base of 71,452
  • + Strong original content creation
  • + Active presence with consistent posting

Opportunities

  • ~ Optimize posting times for peak engagement windows
  • ~ Analyze top-performing content for replicable patterns
  • ~ Leverage geographic concentration for targeted content
  • ~ Explore collaboration potential with followed accounts

Summary

This analysis of @sat_fripSide reveals an well-established Twitter presence with 71,452 followers. The account demonstrates a content-creator strategy, averaging 561.3 engagements per tweet. Key strengths include consistent posting and an engaged audience, with opportunities to further optimize timing and content strategy based on the patterns identified in this report.

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About This Analysis: This analysis is based on a snapshot of followers, following, and recent tweets. It evaluates structure, quality, and behavior, not historical growth. Metrics like growth rate, momentum, churn, or spike analysis require time-series data which is not available from a single snapshot.

Data collected and analyzed by twtData | Analysis date: Dec 16, 2025