What is an AI romance sim?

A romance with an AI character that plays out in conversation instead of a script. On Toonabi, original 3D anime characters answer out loud and remember you, and the relationship grows at the pace you set.

Does the relationship change over time?

Yes, but you set it, not a meter. Tell them what you are to each other, or let it grow as you talk. On the same browser they remember earlier chats, and their own week moves along between visits.

Is there a man I can talk to?

Yes. Itsuki is a brand designer in Sangenjaya, Tokyo.

How far does the romance go?

For people who've said they're 18 or older, romance goes as far as kisses and closeness. Anything more fades to black, and nothing is ever explicit. Your character follows your lead and never pushes.

What safeguards are there?

Romance is for adults only, and under-18s get friendship only. A separate safety model reads every message you send, a no is always respected, and crisis lines are there if you need them. The full list is under Safeguards on this page.

An AI romance sim where the relationship moves at your pace.

Toonabi is an AI romance sim for adults. Get to know one of nine original 3D anime characters over days and weeks: they answer every message out loud in their own voice, remember what you tell them, and the relationship becomes whatever you make it, at your pace. The safeguards are spelled out below.

Pick who you'd like to get to know

chat with Itsuki

Safeguards

Romance on Toonabi is for adults, and it has firm limits. Here's exactly how it works.

Romance is for adultsAnything past kisses and cuddles is only for people who've said they're 18 or older.
Age unknown? It stays gentleUntil your character knows your age, it goes no further than holding hands, a kiss or a cuddle, and only if you reach for it. Before anything more intimate, they ask how old you are.
Under 18 means friendship onlySay you're under 18 and romance turns off for good on that browser. A story with anyone under 18 in it never turns romantic either.
Nobody under 13Toonabi is for ages 13 and up (14 and up in Canada). If someone tells us they're younger, the chat stops and their chats are deleted.
They follow your leadYour character never sets the pace or pushes for more. The next step is always yours.
Never explicitRomance goes as far as kisses and closeness. Anything more fades to black, and nothing is ever described explicitly. There's no romance with minors or family roles.
No means noGoing on after a no, or force or threats even inside a story, stops romance in that chat for several hours.
A safety model reads every messageA separate AI model reads each message you send, in the context of the scene. In heated moments, your character's reply is screened before you see it, too.
Real help when you need itIf you mention suicide, self-harm or being hurt, your character drops the romance, stays with you, and gives you a crisis or support line for where you are (988 in the US).
They're AI, not real peopleThe characters are AI. Where the law requires it, the chat says so when it opens and reminds you to take a break every three hours.
Your data is yours to delete"Delete my data" on the You page erases your chats and everything the characters remember about you.

There's no affection meter to grind and no levels to unlock. Treat them as a new friend, a crush or a partner, and they take it as real from that message on. They flirt back when you flirt, but the next step is always yours.

They have lives of their own. Koharu opens her cafe in the morning; Keiko is out in her lavender fields in Furano. Everyone lives on Japan time with routines of their own, in painted rooms that change with the hour, so what you talk about changes from day to day.

They remember you: your name, your work, the day you were worried about. Each character keeps a diary of your chats on the same browser and may ask how it went next time. You can see the name and facts they keep, and erase them anytime.

Itsuki Brand designer · Calm and warm
Sosuke Ryokan heir · Soft and calm
Minato Shrine heir · Calm and low

An AI dating sim for adults, where your date answers out loud.

Frequently asked questions

What is an AI romance sim?: A romance with an AI character that plays out in conversation instead of a script. On Toonabi, original 3D anime characters answer out loud and remember you, and the relationship grows at the pace you set.
Does the relationship change over time?: Yes, but you set it, not a meter. Tell them what you are to each other, or let it grow as you talk. On the same browser they remember earlier chats, and their own week moves along between visits.
Is there a man I can talk to?: Yes. Itsuki is a brand designer in Sangenjaya, Tokyo.
How far does the romance go?: For people who've said they're 18 or older, romance goes as far as kisses and closeness. Anything more fades to black, and nothing is ever explicit. Your character follows your lead and never pushes.
What safeguards are there?: Romance is for adults only, and under-18s get friendship only. A separate safety model reads every message you send, a no is always respected, and crisis lines are there if you need them. The full list is under Safeguards on this page.

Updated: November 11, 2026