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How to create a hentai AI girlfriend on Joi, step by step
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Guide · Joi · 4 min

How to create a hentai AI girlfriend on Joi, step by step

Joi's Create AI flow builds a character with a job and a personality, not only a look. We went through it in anime mode and named her Kassidy, a 30-something librarian with a quick wit.

Joi builderAnime style6 stepsAge bands 21+Premium to create

By Wren Ashby

Bottom line

Choose Female and Anime, then ethnicity, body, hair, name and age band, relationship, job and personality. Confirm your email first: Joi asks for it before letting you continue. Creating characters is part of Premium, from $47.99 a year.

Intro

What you will build

Joi's builder is the one that thinks most about who she is. After the usual looks screens it asks for a relationship to you, an occupation from a long list and a personality, and those three choices shape her first messages. The looks part is simpler than OurDream's and has no fantasy races, but it is quick and clear.

This guide shows every screen we went through with its screenshot, then what to do once she exists, three recipes to copy, what it costs in US dollars and the problems you might hit.

Checklist

Before you start on Joi

Create an account with an email address and a password, or Google or Discord, then click the confirmation link Joi sends. Until you do, a Verification Link Sent window blocks the builder. In our test the mail landed in the spam folder; the link added 10 Neurons to the account.

Creating characters, images and videos are Premium features. You can still go through the screens on a free account, and free text chat with catalog characters works once the email is confirmed.

Have a job and a personality in mind: they matter more on Joi than anywhere else.

Keep the tab open while you build. Joi's builder writes your choices into the page address as you go, which means you can come back to the same screen after a refresh without starting again.

Confirm your emailJoi sends a verification link; check the spam folder.
Premium to createCreating characters is a Premium feature.
About 4 minutesEight short screens.
Step by step

How to create a hentai AI girlfriend on Joi: the 6 steps

Step 1

Female and Anime

Open Create AI in the top menu. The screen reads Create your AI girlfriend: choose Female, then the Anime card next to Realistic. A Write prompt option lets you describe her in one paragraph instead of clicking, and a Begin button starts the flow.

With Anime selected, the next previews are drawn. The URL of the builder even records your choices as you go, so a refresh does not lose them.

What we liked on this first screen is the honesty of the choice: two big cards, one click, and nothing else to decide yet. Joi does not hide the style behind a menu, and you can come back to it from the progress bar if you change your mind.

Tip: Write prompt is handy if you already have a precise idea; for a first character, the click-through flow shows options you might not think of.

Joi Create AI: Female, and the Realistic or Anime style cards
Joi Create AI: Female, and the Realistic or Anime style cards
Step 2

Ethnicity

Six drawn cards: White, Asian, Black, Latina, South Asian and Middle Eastern. Pick one and press Next.

The anime drawings are consistent across ethnicities, so choose for the character rather than for the style. We picked Asian for Kassidy.

If you want a specific mix, for example a South Asian character with blue hair, it works: the builder does not lock combinations. The drawn previews are small, so zoom the page if you want to see the faces in detail.

Tip: Joi has no fantasy race, so an elf or a demon has to come from the personality and job you write later, or from a catalog character.

Joi builder: ethnicity choices in anime style
Joi builder: ethnicity choices in anime style
Step 3

Body, breast and butt

The body screen has three rows: body type (Slim, Athletic, Average, Curvy, BBW), breast size and butt size, each with drawn previews in swimwear.

All three rows must have a choice before Next unlocks, which is easy to miss when you only pick the body type. We went with Curvy for Kassidy.

The previews on this screen show the figure in swimwear, which is how most builders present body types; nothing is explicit. If the screen feels long, remember it is the only one with three required rows.

Tip: keep the proportions in line with her job; a personal trainer reads better Athletic, a librarian Slim or Curvy.

Joi builder: body type, breast size and butt size
Joi builder: body type, breast size and butt size
Step 4

Hair color and style

Pick a color (Platinum, Brunette, Black, Blond, Ginger, Pink, Blue) and a style (Straight, Bangs, Braids, Curly, Bun, Ponytail, Bob, Bald). The previews show the combination on the same face.

Black hair in a ponytail gave Kassidy a neat, professional look that matched the librarian job we had in mind.

Hair is also where you signal an archetype without words: a bun or a bob for a reserved professional, braids for a gentle character, long straight hair for an elegant one. The face stays the same across all options, which makes comparing easy.

Tip: blue or pink hair works well for a streamer or an idol type; give her an adult age band and a grown-up job to keep the character clearly adult.

Joi builder: hair color and hair style
Joi builder: hair color and hair style
Step 5

Name and age band

Type a name, and choose an age band: 21+, 30s, 40s or 50s. We kept the suggested name, Kassidy Peralta, and picked the 30s.

The age band shows on her card and in how she talks; a 40s or 50s character naturally plays a more confident, older role.

The name appears in every message she sends, in her card and in your chat list, so it is worth picking one that fits her job and age band.

Tip: choose the age band before you write her personality; it changes how the personality reads, a witty 21 year old and a witty woman in her 40s do not tease the same way.

Joi builder: name and age band, from 21+
Joi builder: name and age band, from 21+
Step 6

Relationship, job and personality

Three screens give her a life. Relationship: stranger, colleague, girlfriend, wife, neighbor, boss, friend and more. Occupation: a long list from real estate agent and bartender to police officer, flight attendant, librarian and spy. Personality: seductive, playful, dominant, submissive, passionate, loyal, mysterious, adventurous, sweet, shy, witty and others.

We chose friend, librarian and witty. That combination gave us a character who teases you about overdue books before she flirts, which is exactly the kind of detail that makes a chat feel specific.

These three screens are the reason we recommend Joi's builder for readers who care about personality more than looks. The occupation list alone gives dozens of starting points for a scene, and the relationship sets how familiar she is with you from the first line.

Tip: one strong trait reads better than two opposites. A last screen of preferences follows before Joi generates her; you can skip what you do not need.

Joi builder: the character personality step
Joi builder: the character personality step
Open Joi's builder
Next

After she exists: chat, gifts, pictures and memory

Joi generates her portrait and opens the chat. Her job and personality drive the first messages, so answer in that frame: ask the librarian for a book, ask the spy about her last mission.

The chat has a row of gift icons under the message box and a Make video button at the top for Premium users. Premium also brings images and videos paid with coins, 18+ roleplay and an 8,000-message memory, which keeps long stories consistent.

Your conversations are listed under Chats in the top menu, next to the catalog characters you talk to. If you would rather not build at all, the Anime catalog with its age filters is a fast way to find a ready-made character, and text chat with them is free.

One more thing to know: Joi shows promo windows and discount codes often, including in the chat. They do not change anything you built; close them and carry on. If you decide to pay, the yearly plan gives the most coins per dollar.

Recipes

3 character recipes to copy

Exact settings for Joi's builder.

Cost

What it costs on Joi

Text chat with catalog characters is free on a confirmed account. Creating characters, images and videos need Premium: $13.99 for one month with 1,000 coins, $20.99 for three months with 1,200 coins a month, or $47.99 for a year with 1,500 coins a month, enough for up to 350 images or 100 videos. Joi states that no adult transaction appears on your bank statement.

WhatCost
Text chat with catalog charactersFree
Premium, 1 month$13.99
Premium, 3 months$20.99
Premium, 12 months$47.99 a year
Troubleshooting

Troubleshooting

A verification window blocks the builderClick the confirmation link in the email from Joi; check the spam folder.
Next stays disabled on the body screenPick a body type, a breast size and a butt size; all three are required.
The previews look realisticGo back to the first screen and select the Anime card.
Promo windows keep openingThey are discount offers; close them with the cross and continue.
Wren Ashby, author of this page

Written by

Wren Ashby @wrenashby

Anime fan from the Pacific Northwest who has spent the last couple of years testing AI girlfriend apps. Builds a character on every platform before writing a word about it.

How we test

Creating a hentai AI girlfriend on Joi: questions

Can I create a character on Joi for free?

Creating characters is a Premium feature. Free accounts can go through the screens and chat by text with catalog characters.

Which ages does Joi offer?

Age bands: 21+, 30s, 40s and 50s. Every catalog card also shows the character's age.

Can I describe her in my own words?

Yes. The Write prompt option on the first screen lets you describe her in a paragraph instead of clicking through the steps.

Does Joi have elves or demons?

Not in the builder. Look for fantasy characters in the catalog's Fantasy tag, or use OurDream or Nectar for fantasy races.

What does the job change?

Her occupation gives her something to talk about. A librarian, a police officer or a spy opens very differently.

How much is Joi Premium?

$13.99 for a month, $20.99 for three months, or $47.99 for a year with 1,500 coins a month.

Give her a job and a personality: open Joi's anime builder.

Open Joi's builder
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