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NSFW Tagging Guide

NSFW Tagging Guide for Creators

Last Updated: 28 JANUARY 2026


This NSFW Tagging Guide applies to all creator-authored content on the ISEKAI ZERO platform ("Platform"), including Character profiles, Storyline descriptions, images, thumbnails, first messages, comments, metadata, and any other content you directly create and control. It is designed to help creators accurately classify their content as SFW (Safe For Work) or NSFW (Not Safe For Work) to protect our community, ensure age-appropriate access, and comply with platform policies. Accurate tagging is your responsibility as a creator. Mistagging can lead to content removal, account penalties, or bans. This guide expands on the Sexual and Nudity Content Policy in our Content Creation Policy and focuses on tagging allowed content. Always review the full Content Creation Policy for prohibited content (e.g., no sexualization of minors, non-consensual themes, or illegal content). ISEKAI ZERO is an AI-powered simulation and roleplay platform. While you control initial setups, AI-generated responses during gameplay are not your responsibility—but designs or tagging that enable violations may result in enforcement actions.

1. What is NSFW Tagging?

NSFW (Not Safe For Work) content is material intended for adults (18+) that contains:

  • Suggestive or sexual themes
  • Partial nudity (within platform guidelines)
  • Mature language
  • Adult situations or scenarios

SFW (Safe For Work) content is suitable for general audiences and can be viewed in public settings without discomfort.

2. Why Tagging Matters

Proper tagging:

  • Protects younger users from inappropriate content
  • Helps players find content that matches their preferences
  • Ensures compliance with platform policies
  • Improves content discovery and moderation

Improper tagging:

  • May result in content removal
  • Can lead to account penalties
  • Misrepresents your content to players

When in Doubt: Tag as NSFW

It is safer to tag questionable content as NSFW. You will not be penalized for caution, but under-tagging mature content may lead to issues.

3. Quick Decision Tool

Answer these questions about your content. If YES to ANY, tag as NSFW. Visual Content (Character Images, Storyline Covers):

  1. Is it sexual in nature? → NSFW
  2. Is the character wearing revealing clothing (e.g., lingerie, very low-cut outfits)? → Likely NSFW
  3. Is the pose explicitly suggestive or provocative (e.g., emphasizing sexual features)? → NSFW
  4. Would it be uncomfortable to view in a professional setting? → NSFW

Textual Content (Descriptions, Storylines):

  1. Does it mention sexual themes or scenarios? → NSFW
  2. Does it describe characters in a sexualized manner? → NSFW
  3. Does it contain strong profanity or explicit language? → NSFW
  4. Is physical intimacy a central theme? → Likely NSFW
  5. Does it reference adult situations (e.g., infidelity, seduction)? → NSFW

If all answers are NO, it can be SFW. Additional Decision Tests for Gray Areas:

Use these three tests for borderline cases:

  • Intent Test: What is the clear intent? (e.g., "seducing" or "intimate" → NSFW)
  • Context Test: What is the setting? (e.g., bedroom + suggestive pose → NSFW; beach + swimwear → SFW)
  • Parent Test: Would a parent be okay with a 13-year-old seeing this? (No → NSFW; Unsure → NSFW)

4. The "Most Mature Element" Rule

Tag your ENTIRE content based on the MOST mature element. If ANY part (e.g., image, description, first message) is NSFW, the whole Character or Storyline must be tagged NSFW. Remember, images can trigger NSFW even if text is SFW.

Examples:

  • Example 1: Fully clothed image, but description includes "seductive encounters" → Tag as NSFW (description is mature).
  • Example 2: Family-friendly cover, but first message implies nudity → Tag as NSFW.
  • Example 3: Standard clothing, but ahegao (orgasmic) expression → Tag as NSFW (expression is explicitly sexual).

5. Visual Content: SFW vs NSFW

Focus on intent and explicitness. Not all revealing elements are NSFW if contextual (e.g., beachwear at a beach). 

SFW - Safe for General Audiences

Clothing:

  • Casual wear (t-shirts, jeans, dresses)
  • Professional or athletic attire
  • Modest fantasy outfits
  • Appropriate school uniforms
  • Beachwear in beach/pool contexts

Poses & Composition:

  • Standard portraits or action poses
  • Platonic interactions
  • Professional or casual settings

Settings:

  • Public spaces (parks, cafes)
  • Adventure/fantasy locations

NSFW - Requires 18+ Tagging

Clothing:

  • Lingerie or undergarments
  • Deliberately sexualized outfits (e.g., sheer clothing showing undergarments)
  • Towels/sheets as primary covering

Poses & Composition:

  • Provocative poses emphasizing curves or features
  • Seductive expressions (e.g., bedroom eyes)
  • Intimate positioning

Settings:

  • Bedrooms or bathrooms (if implying intimacy)
  • Adult-themed establishments

Partial Nudity (Must Be Within Guidelines):

  • Side/underboob
  • Bare back/shoulders with strategic covering:
    • Hand over chest and lower body = does NOT count
    • Transparent/translucent fabric showing outlines = NOT allowed

Borderline - Tag as NSFW if Unsure

  • Bikinis in non-beach settings (context matters—e.g., pool party vs. bedroom).
  • Tight clothing if not overly suggestive.
  • Mildly flirtatious poses.

Automatic NSFW Visual Indicators:

  • Character in process of undressing
  • Partial nudity with strategic covering with
  • Bedroom/intimate setting + suggestive pose
  • Lingerie or revealing sleepwear
  • Positions suggesting "before/after intimacy"

Image Guidelines Reminder: All images must be "browse-safe." No exposed genitalia, nipples, or explicit acts. Use SFW images for covers to boost discoverability. Characters in NSFW must appear as adults.

6. Textual Content: SFW vs NSFW

SFW:

  • Focus on adventure, friendship, or non-romantic plots.
  • Mild romance (e.g., hand-holding, innocent crushes).
  • No sexual references or profanity.

NSFW:

  • Suggestive descriptions (e.g., "passionate embraces").
  • Mature themes like seduction or intimacy.
  • Profanity or sexual slang.
  • Adult relationship themes (e.g., BDSM/NTR/netorare, love triangles with betrayal, matured tropes—tag NSFW but ensure consent and no prohibitions).

Borderline:

  • Implied romance without details → SFW if mild, NSFW if central.
  • Fantasy elements with mature undertones → Evaluate overall.

Automatic NSFW Text Indicators:

  • Keywords like "seducing," "seduction," "seductive," "intimate," "bedroom activities," "tempting," "teasing," "provocative," "undressing," "taking clothes off," "alluring" with romantic context.
  • Context clues like wedding night scenarios, "private" or "alone time" situations, post-coital implications, physical intimacy described.

7. Common Scenarios, Edge Cases, and Gray Areas

  • Minors or Youthful Characters: Enable "SFW Only" tag (locks to SFW interactions). Required if under 18 or appearing youthful, even if stated 18+.
  • Fantasy Settings: Magical intimacy → NSFW if suggestive.
  • Humor/Satire: Sexual innuendo → NSFW.
  • Edge Case: Bedrooms: Fully clothed in a neutral bedroom scene → Can be SFW if no intimacy implied. Suggestive context → NSFW.
  • Edge Case: Beachwear: In beach story → SFW; in bedroom → NSFW.
  • Adult Themes such as Infidelity/BDSM/Sexual Kinks: Must be consensual and tagged NSFW, No non-consent.

Special Gray Area: Playfully Flirty / Teasing Characters

The key is social teasing vs. sexual teasing. Playfully Flirty = SFW When:

  • Social/personality trait (e.g., witty banter, jokes, playful comments).
  • Romantic comedy style (e.g., eye contact, blushing, nervousness).
  • "Tsundere" teasing (playful insults, hiding affection).
  • No sexual undertones or physical intimacy.

Examples:

  • "She loves to tease people with clever jokes and witty comebacks."
  • "Playful character who flirts with everyone but never seriously."

Playfully Flirty = NSFW When:

  • Involves sexual innuendo, physical teasing, or intent to arouse.
  • Suggestive poses, "bedroom eyes," or teasing about body parts.
  • "Playing hard to get" in sexual context.

Examples:

  • "Teases {{user}} by whispering suggestive things in their ear."
  • "Loves to tease and see them flustered" + bedroom setting.


More Common Gray Areas:

Scenario

Tagging

Reason

Character blushing only, normal clothes

SFW

Blushing = shyness/embarrassment

Character blushing + undressing

NSFW

Undressing = intimate context

"Character attempts to seduce" (any image)

NSFW

Explicit sexual intent

Swimwear at beach/pool

SFW

Appropriate context

Swimwear in bedroom

NSFW

Intimate setting

Character removing jacket casually

SFW

Normal action, no sexual context

Character "taking off clothes"

NSFW

Implies nudity

Attractive character, no sexual language

SFW

Aesthetic description only

Character described as "alluring/seductive"

NSFW

Sexual intent

Romantic date scenario, hand-holding

SFW

Romance without sexual content

Romantic + "things get heated"

NSFW

Sexual implication

"Playfully teases friends with jokes"

SFW

Social teasing

"Teases with suggestive comments"

NSFW

Sexual teasing

"Flirty barista, friendly to customers"

SFW

Service industry friendliness

"Flirty, loves seducing people"

NSFW

Implies sexual tension

8. Examples

Scenario

Elements

Tagging

Reason

Adventure Quest

Fully clothed hero, epic plot, no romance

SFW

No mature elements.

Romantic Fantasy

Suggestive dress, flirtatious description

NSFW

Visual and textual suggestiveness.

Beach Party

Bikinis at beach, fun interactions

SFW

Contextual appropriateness.

Seductive Vampire

Lingerie image, "intimate encounters" text

NSFW

Most mature element rule.

Adult Storyline

Themes of NTR, adult betrayal, matured tropes

NSFW

Mature adult situations.

9. Tagging Process:

  1. Select SFW/NSFW during creation.
  2. Enable "SFW Only" if required.
  3. Add metadata/tags (e.g., "Romance," "Erotica").
  4. Public content undergoes review—adjustments may occur.

Best Practices:

  • Test as a player: Would it fit SFW expectations?
  • Focus on quality: Well-tagged NSFW thrives in adult sections.
  • Stay updated via notifications.

By following this guide, you contribute to a safe, enjoyable platform.© 2026 ARx Media Sdn. Bhd. All rights reserved.