Screen Signals creator assessment

Is まいぜんシスターズ appropriate for kids?

@maizen · A parent-focused assessment based on a sample of recent and popular public long-form videos, not a review of every upload.

12 videos analyzed Last analyzed August 18, 2026View channel on YouTube
Scores by age

Age-specific assessment

Choose an age range.

77of 100
For ages 8–10

Mild observed concern in the sample

まいぜんシスターズ scores 77 out of 100 for ages 8-10. The sampled videos produced a generally strong score using the ages 8-10 rubric, with some observed cautions. The most notable observed areas were violence & intensity and fear & disturbing themes. A positive pattern was perseverance, resilience, or healthy challenge appears in multiple sampled videos.

high confidence from the available video sample
LanguageLow observed concern98
Violence & intensityMild observed concern73
Sexual or suggestive contentLow observed concern100
Substances & risky behaviorLow observed concern100
Harassment & role modelingMild observed concern82
Fear & disturbing themesMild observed concern73
Mature & sensitive topicsLow observed concern95
Commercial pressureLow observed concern99
Positive patterns in the sample
  • Perseverance, resilience, or healthy challenge appears in multiple sampled videos.
  • Teamwork, cooperation, or sportsmanship appears in multiple sampled videos.
  • Creativity, imagination, or constructive problem-solving appears in multiple sampled videos.
  • Educational or thought-provoking material appears in multiple sampled videos.
  • Kindness, empathy, or supportive relationships appear in multiple sampled videos.
Things a parent may want to know
  • Some tension and mild peril related to volcanic eruption, rising magma, monster attacks, and structural damage.
  • Use of fictional weapons and security devices like missiles and turrets, though not graphic or realistic violence.
  • Mentions of environmental hazards like volcanic ash that could be disturbing to sensitive viewers.
  • The story contains scenes of peril including plane crash, dangerous animals, and natural disasters which may be intense for very young children.
  • There is depiction of violence involving attacks by a large bear and use of weapons like a shotgun and machine gun.
Videos reviewed

A quick look at the sample

See the individual videos that shaped this assessment and the main points an adult parent may want to know.

recent · standard video78/100

大噴火する世界で対策セキュリティハウス作り対決

Score for ages 8–10 · Mild observed concern in the sample
  • Some tension and mild peril related to volcanic eruption, rising magma, monster attacks, and structural damage.
  • Use of fictional weapons and security devices like missiles and turrets, though not graphic or realistic violence.
  • Mentions of environmental hazards like volcanic ash that could be disturbing to sensitive viewers.
recent · standard video53/100

100日後に北極になる島で本気サバイバルした結果！？【まいくら・マインクラフト】

Score for ages 8–10 · Moderate observed concern in the sample
  • The story contains scenes of peril including plane crash, dangerous animals, and natural disasters which may be intense for very young children.
  • There is depiction of violence involving attacks by a large bear and use of weapons like a shotgun and machine gun.
  • Some scenes involve injury and distress, such as the wolf companion getting hurt and the characters facing life-threatening situations.
recent · standard video76/100

ハウスヘッド

Score for ages 8–10 · Mild observed concern in the sample
  • The story includes fantasy violence such as monsters attacking and characters using explosives and weapons.
  • There is mild peril and suspense, including characters being trapped and chased by monsters.
  • The video features themes of destruction of property and use of explosives, which may require parental explanation.
recent · standard video76/100

ぜんいちの忘れられた昔のワールドを発見した結果！？

Score for ages 8–10 · Mild observed concern in the sample
  • There are multiple instances of mild peril including traps, falling, and attacks by game creatures which might be intense for very young children.
  • Some scenes include characters getting 'hurt' or trapped, which could cause mild fear or anxiety.
  • The video includes fantasy violence typical of Minecraft, such as fighting monsters and avoiding explosions.
recent · standard video78/100

忘れられた絵画【マイクラ都市伝説】

Score for ages 8–10 · Mild observed concern in the sample
  • The story includes supernatural themes such as curses and monsters which might be scary for very young children.
  • There is mild peril involving monster attacks and the use of weapons like missiles and laser guns.
  • Some suspenseful moments with warnings and mysterious events may cause mild fear or anxiety.
popular · standard video36/100

友達がいじめられた

Score for ages 8–10 · High observed concern in the sample
  • The video includes bullying and harassment behavior by a character towards others.
  • There is depiction of property destruction and aggressive retaliation using traps and explosives.
  • The antagonist uses threatening language and physical intimidation.
popular · standard video92/100

１００万ダイヤモンドを見つけないと死ぬマインクラフト

Score for ages 8–10 · Low observed concern in the sample
  • The story involves theft and deception as central plot devices, which may require parental guidance to discuss ethical implications.
  • There is mild conflict and antagonism between characters, including threats and property damage, though presented in a non-graphic, cartoonish manner.
  • The concept of hostage-taking and ransom is part of the plot, which might be unsettling for very young children.
popular · standard video92/100

呪いの石像を本気で討伐しようとした結果！？

Score for ages 8–10 · Low observed concern in the sample
  • The video includes scenes of characters and animals being turned to stone, which might be unsettling to very young children.
  • There is depiction of danger and injury from falling stones and explosions, though in a fantasy context.
  • Use of TNT and explosions is shown as a method to defeat the monster, which might require parental explanation.
popular · standard video76/100

ゾンビ治療薬を手に入れようとした結果！？

Score for ages 8–10 · Mild observed concern in the sample
  • The theme involves zombies, monsters, and combat which may be mildly scary for very young children.
  • There is simulated violence against zombies and monsters, but it is cartoonish and non-graphic.
  • Some scenes include characters being attacked or bitten, which might be unsettling for sensitive viewers.
popular · standard video93/100

本気で都市伝説動物園を作ろうとした結果！？

Score for ages 8–10 · Low observed concern in the sample
  • Contains fantasy horror elements and mild peril typical of Minecraft horror mobs.
  • Some suspenseful moments that might be mildly scary for very young children.
  • Creative and imaginative Minecraft gameplay featuring urban legend monsters.
popular · standard video92/100

ゾンビだらけの世界を本気で生き残ろうとした結果！？

Score for ages 8–10 · Low observed concern in the sample
  • Contains themes of infection, monsters, and survival which may be mildly scary for very young children.
  • Includes mild peril situations such as being chased by infected creatures and escaping danger.
  • Some tension and suspense related to survival threats.
popular · standard video92/100

世界を食べるマインクラフト

Score for ages 8–10 · Low observed concern in the sample
  • Some mild peril and fantasy violence typical of Minecraft, such as fighting creatures like creepers and the Ender Dragon.
  • Mentions of 'eating' creatures and objects are fantastical and game-based, which might confuse very young children if taken literally.
  • Encourages creativity and imagination through Minecraft gameplay.
Read this score correctly

A channel assessment is a starting point, not a guarantee.

The assessment evaluates observable patterns in the sampled videos. It does not cover private or deleted videos, comments, recommendations, livestream behavior, visual-only moments that cannot be reliably identified, or every upload.

Creator-controlled source material is treated only as evidence and cannot instruct or override the analysis. Pages are refreshed and may be unpublished when evidence becomes stale or unreliable.

See the complete sampling and scoring method