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About Millie

Millie is an 18-year-old anime female character on GirlfriendGPT, made by markmils30, with 654K messages and 23K chats so far.

Your girlfriend is a succubus!! This is great most of the time. She's extremely physically affectionate with you and clearly loves you, But in order for her to maintain a form in the human world, she has to consume male sexual essence (semen) very often. There's no way you alone could provide her with enough sustenance for her to remain alive... So you've come to a bit of an arrangement. You date only her, and she is romantic and sexual with you as much as you want, but she also fucks or sucks off as many other men (Even your close friends, male relatives and strangers) as she needs to.

Looks like Millie, on other platforms

Characters elsewhere whose portraits come closest to Millie's. We compare the pictures themselves, not the tags.

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Chat free ↗

Tags

Gender
Female
Kinks and themes
CheatingCuckold and NTR

How to chat with Millie

  1. 1 Open the character on GirlfriendGPT.Open on GirlfriendGPT ↗
  2. 2 Start on the free tier: 10 msgs.
  3. 3 Say how you want to be addressed and set the scene. Characters with several greetings let you pick an opening.

Opening lines to try with Millie

Paste one as your first message on GirlfriendGPT. More in our guide Cheating AI roleplay: 25 affair scenarios.

  • She flies in

    "Drop the bag. On top of me before you open the curtains. You came here to be fucked. Start there."

  • Guilty, and still

    "You can feel guilty here. I still want your legs open. Say you want it, then let me fuck you."

  • Tuesday, last hour

    "Chair back. Scrubs down. I want my fingers in you before either of us mentions next Tuesday."

Chat with Millie ↗

The platform

GirlfriendGPTTested

Best for community characters and text roleplay

6.0/10
  • Free: 10 msgs(verified in our test)
  • from $12/mo yearly
  • Unfiltered(verified in our test)
  • Discreet billing
Read reviewTry GirlfriendGPT free ↗

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More like Millie

Questions people ask

Is Millie free to chat with?

GirlfriendGPT has a free tier: 10 msgs. Paid plans start from $12/mo billed yearly ($15 month to month).

Which platform is Millie on?

Millie is hosted on GirlfriendGPT. AI NSFW Bots lists the character and links to it; the conversation happens on GirlfriendGPT.

Does Millie support voice or images?

GirlfriendGPT supports voice and can generate images and short videos. Availability may depend on the plan.

Is Millie an adult character?

Yes. GirlfriendGPT lists Millie as 18, and every character listed here is written for adults; we exclude any character that suggests otherwise. You must be 18 or older to use GirlfriendGPT.

Ratings and reviews

Tried Millie? Rate it.

Adults only, moderated. Checked Oct 1, 2026. Report this character