What is ERP roleplay? It is erotic roleplay: two people, or a person and an AI, writing a sexual scene together, one message at a time, each playing a character. The term comes from online roleplay communities in games and chat servers, where "RP" means roleplay and the "E" marks the scenes that turn sexual.
That is the whole definition. The rest of this guide covers where the term comes from, how ERP differs from plain RP, how a scene actually works, and the terms you will see next to it.
Where the term comes from
ERP started in online games and chat servers. Players in massively multiplayer games and text roleplay forums used "RP" for staying in character, and "ERP" for in-character scenes that became sexual. Game communities often had rules about where ERP could happen, which is why so many forum threads about the term are guides to what is and is not allowed on a given server.
Today the term travels well beyond games. You will see it on Discord, in roleplay subreddits and in AI chat communities, where people use it to ask whether an app allows sexual roleplay at all.
RP vs ERP: the difference
| RP (roleplay) | ERP (erotic roleplay) | |
|---|---|---|
| What it is | Writing a story together in character | The same, with sexual scenes |
| Typical tone | Adventure, drama, romance, horror | Romance, flirting, explicit scenes |
| Where it happens | Games, forums, Discord, AI chat | Usually private chats or adult servers |
| Who sets limits | The group or server | The two people in the scene |
The key difference is consent to the content. RP can happen in a public channel. ERP is almost always private and opt-in, and both sides agree on what the scene includes before it gets there.
How an ERP scene works
Each person writes for their own character only. You describe what your character says and does. Your partner does the same for theirs. Neither side writes the other person's actions. In roleplay slang, writing someone else's actions is called godmodding, and it is the fastest way to end a scene.
A typical scene goes like this:
- Set the scene. Who are the characters, where are they and how do they know each other.
- Agree on the pace. A slow burn over days, or straight to it.
- Agree on limits. What is welcome, and what is off the table.
- Take turns. One message each, each one adding something new.
- Check in if the tone shifts. A quick note out of character fixes most problems.
Reply length matters more than people expect. One-line replies stall a scene, and long walls of text can bury the other person's moves. Most experienced roleplayers aim for one to three paragraphs a turn.
Words you will see next to ERP
- OOC: out of character. A note to the other person, not part of the story. Usually written in brackets.
- IC: in character. The story itself.
- Godmodding: writing actions for the other person's character.
- Slow burn: a scene where the tension builds for a long time before anything happens.
- Limits: what you will not include. Hard limits are absolute; soft limits are things you might try.
- Fade to black: cutting away before the explicit part. ERP usually does not.
- Smut: fan-community slang for explicit sexual writing.
Why so many people now ERP with an AI
Finding a human partner who matches your pace, schedule and tastes is hard, especially for niche scenes like AI crossdresser roleplay. That is the most common complaint in roleplay communities, and it is why AI partners have become so popular for erotic roleplay. An AI partner is there when you are, stays in character and does not lose interest halfway through a scene.
AI comes with its own problems, and roleplayers list them often: replies that are too short, characters that forget the story after a few messages, and bots that start writing your side of the scene. Many general AI apps also block sexual content entirely, which is why "does this app allow ERP" is such a common question.
Where Secret Desires fits
We build Secret Desires, so treat this as an interested opinion.
Secret Desires is built for adult roleplay, so ERP is the point, not an edge case. Our AI smut chat is set up for exactly the scene described above: you play your character, she plays hers, replies are long, and the story is remembered between chats. Most people here play opposite women, and men are there too, all the way to a gay incubus AI for darker fantasy scenes. You can also ask for a picture of the scene or a voice note.
What we are not: a group server. If what you love is roleplaying with a crowd of real people in a shared world, a Discord community will suit you better. If what you want is a story written for you to read, an AI erotica writer fits better than a chat. And if you want the long version of how open-ended AI roleplay works under the hood, read uncensored AI roleplay, explained.
Need ideas for a first scene? Our list of smut prompts that work as roleplay openers gives each one a role and a first line, and these sex roleplay ideas work with a real partner too.
FAQ
What does ERP mean in roleplay?
ERP stands for erotic roleplay: a roleplay scene, written in turns, that includes sexual content.
What is the difference between RP and ERP?
RP is any in-character storytelling. ERP is roleplay that becomes sexual, usually in private and only with both people agreeing to it.
How do you start ERPing?
Agree on the characters, the pace and the limits first. Then write your character's first move and let the other person answer. With an AI partner, the same steps apply: tell it who you are, set the pace, and let it speak first.
What is ERP roleplay? The short version
ERP roleplay is erotic roleplay: a sexual scene written together in turns, each side playing one character. It grew out of game and forum communities, it runs on clear limits and good pacing, and today many people play it with an AI partner when a human one is hard to find.
