Starbooked

Ecma Ch. 河童エクマ

@kawarabeecma · JP · JA

Ecma Ch. 河童エクマ (@kawarabeecma), a Japanese VTuber from Japan, streams interactive game sessions and chat with about 1,310 subscribers and a median of 53 views per video. Uploads run around 14 a year, and sponsored integrations are estimated at $150 to $250 per video. A distinctive detail is the kappa-themed persona, a river spirit who works as a front-end web developer.

Why brands book Ecma

Engaged Japanese VTuber audience for game-related campaigns

  • About 1,310 subscribers with a 13.8 percent engagement rate across recent uploads
  • Median of 53 views per video, so sponsorship pricing stays small
  • Long-form participatory streams average over 2 hours of watch time
Best forgame peripherals and accessoriesJapanese-language developer tool trials
Watch forMedian views are very low and uploads have slowed to none in the last 90 days.

Brand fit report

Content

Topics, IAB taxonomy
Role-playing video game35%
Video game culture30%
Action game20%
Hobbies and leisure15%
Formats
long-form live stream archives, participatory game sessions, model building livestreams
Tone
playful, casual
Language
Japanese
On camera
No, voiceover and b-roll
Production
Phone, natural light
Typical length
1 to 4 hours

Audience

Commercial intent5/100
Comments asking for links, prices or where to buy
Sentiment80/100
Estimated from titles, descriptions and engagement
Engagement13.8%
Likes and comments per view on recent videos
Audience asks aboutwhich game is being played nexthow to join the participatory sessionswhen the next stream or series episode is scheduled
Age
30%18-24
40%25-34
20%35-44
10%45+
Gender
40%women
60%men
Countries
🇯🇵 Japan90%
🇺🇸 United States3%
LanguagesJapanese 95%English 5%

Commercial

0%of the last 50 videos were sponsored
None seenno sponsored videos in the last 50
Brands seen
None yet
Categories promoted
None yet
Affiliate links
No

No sponsorship disclosures found in the last 50 videos

Suitability GARM Brand Safety Floor + Suitability

Profanitylow
Adultlow
Drugslow
Violencemedium
Politicslow

Video titled 'Amanda the Adventurer 3' description warns of jump scares, bloodshed and graphic content, and NieR:Automata series carries a 17+ advisory.

We classify content, never people. No age, gender, ethnicity, religion or political views are inferred about the creator. Audience figures are estimates unless marked verified. Creators can correct anything on their profile.

Platforms

PlatformFollowersMedian viewsUploads, 90d
YouTube1.3k530
X–––

Benchmark score: 5 / 100

Public rule, same for everyone. How it works.

Engagement Median views relative to followers5 / 50
Activity Uploads in the last 90 days0 / 30
Reach Followers on the main platform0 / 20

Recent videos

Last three uploads, latest 217 days ago.

🥒 このチャンネルについて!! 🥒 ここには こどもから 大人まで 幅広い はすのこたちが 遊びに 来てくれます! みんなが 楽しめるように なかよくしてね!▼ ・初見さん大歓迎です!みんなで仲良くしてね! ・参加型のゲーム配信を中心にやっています! ・配信ルールは各配信枠の概要欄に書いてあるよ! /* ----------------------------------------------- */ 🥒 メンバーシップはこちらから! https://www.youtube.com/@KawarabeEcma/join /* ----------------------------------------------- */ 🥒 ハッシュタグ 生放送関連:#かわらいぶ イラスト:#河童絵巻 ファンネーム:はすのこ 切り抜き:#ひとくちきゅーり その他:#へっぽこフロントエンド道 🥒 二次創作ガイドライン https://heppokofrontend.dev/kawarabeecma/guidelines?utm_source=youtube&utm_medium=social&utm_campaign=social /* ----------------------------------------------- */ こんエクマー! 河童のVTuberの
Ecma Ch. 河童エクマ's own profile description on YouTube

Are you Ecma Ch. 河童エクマ? Claim or remove this profile.

About Ecma Ch. 河童エクマ

Ecma Ch. 河童エクマ (@kawarabeecma) is a Japanese VTuber who posts long-form game streams, participatory sessions, and occasional drawing and programming content. The channel features a kappa-themed character who works as a front-end web developer, and most uploads run one to four hours.

Based on channel metrics, the audience appears to be primarily Japanese-speaking viewers, mostly aged 18 to 34, though these demographic splits are estimates and not platform-verified data. The channel has about 1,310 subscribers and a median of 53 views per video, with no uploads in the last 90 days.

Sponsored integrations are estimated at $150 to $250 per video, which works out to a CPM of $20 to $35 per 1,000 views, compared with the $10 to $30 CPM typical for paid ads. This creator suits small Japanese-market game or developer-tool brands running low-budget trials.

Written from Ecma Ch. 河童エクマ's public YouTube profile, platform data and web mentions. Numbers updated 2026-10-19. Ecma Ch. 河童エクマ can edit or remove this page at any time.

Questions about Ecma

How much does Ecma Ch. 河童エクマ charge for a sponsored video?

Based on a median of 53 views, a sponsored integration is estimated at $150 to $250 per video, a CPM of $20 to $35 per 1,000 views. Rates are estimates from channel metrics and should be confirmed directly with the creator.

What does Ecma Ch. 河童エクマ post about on YouTube?

The channel posts long-form Japanese-language game streams, participatory sessions, and occasional drawing and programming content. The persona is a kappa VTuber who works as a front-end web developer, and most uploads run one to four hours.

How do I contact Ecma Ch. 河童エクマ for a brand deal?

Contact details unlock on Starbooked for $0.80. Boosted creators can be booked through Starbooked directly.

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