PROMPT GUIDE

How to make a VTuber standing avatar with AI (front view and expression variants)

A streaming avatar is different from an ordinary illustration: it stays on screen for hours and switches expressions. It matters that the character does not drift, the background is easy to remove and the expressions are easy to change. This guide covers framing and prompts for VTuber-style standing images made with AI, and how to make expression variants.

Last updated: 2026-10-22 approx. 3 min read

日本語版

The short answer

When making a VTuber standing image with AI, generate the character facing front with arms down, from the waist up or full body, on a plain background, because that is easy to cut out and easy to animate. Make expression variants (smile, surprise, worried) by fixing only the face of the same image so the character does not drift. Remember that a moving avatar (such as Live2D) needs the art split into parts.

How do you make a VTuber standing image with AI?

Generate a front-facing, arms-down character from the waist up or full body on a plain background, then remove the background and add expression variants.

On a stream, the avatar usually sits at the edge of the screen alongside the game and chat. Side-facing poses or poses with big arm movements tend to fit poorly on screen. Making your first image front-facing, standing straight with hands at the sides or lightly clasped in front makes it easy to fit any stream layout.

Words that suit standing images

Tag	Meaning	Note
`standing`	Standing	The basis of a standing image Details
`facing viewer`	Facing the viewer	Fits stream layouts easily
`looking at viewer`	Looking at the viewer	Feels like she is talking to you Details
`arms at sides`	Arms at her sides	Fewer broken hands
`cowboy shot`	From about the thighs up	Easy to place at the bottom of the screen Details
`full body`	Full body	When you want to show the whole figure Details
`simple background`	Plain background	Easy to remove Details

正面の立ち絵（基本）

差分：笑顔

差分：驚き

差分：困り顔

Examples drawn with Rinka, our original character, to show what each tag means.

Illustration usage rules

What are the steps to make a VTuber standing image?

Steps to make a VTuber standing image with AI

Decide the character's design (hairstyle, hair color, eye color, outfit, accessories) and write it as one fixed line
Generate several front-facing, arms-down images from the waist up or full body on a plain background
Choose one with no broken face, hands or clothes as your base image
Remove the background of the base image and save it as a transparent PNG
Fix only the face of the same image to make variants such as smiling, surprised and worried
Place it in your streaming software, set the size and position, and switch variants as you stream

1girl, solo, standing, facing viewer, looking at viewer, smile, arms at sides, cowboy shot, long hair, hair ribbon, hoodie, simple background, white background

an anime girl standing and facing the viewer with a gentle smile, both arms relaxed at her sides, shown from the thighs up, wearing a pink hoodie and a red hair ribbon, on a plain white background

How do you make expression variants?

Fix only the face of the same standing image. Making each one from scratch shifts the clothes and hair so it looks like a different character.

Variant	When to use it	Expression words
Smile	Greetings, happy moments	smile, open mouth
Surprise	Shocking moments in a game	surprised, wide eyes, open mouth
Worried	When something goes wrong	troubled, frown, sweatdrop
Eyes closed	Blinking, relaxing	closed eyes, smile
Mild anger	Playful comebacks	pout, puffed cheeks

Rinka's tips

Make variants by masking and redrawing only the area around the face (inpainting) so the clothes and hair do not shift
Write the character description in the same order with the same words every time; changing even one word shifts the look
A moving avatar (such as Live2D) needs art split into parts such as eyes, mouth and hair

Tips for keeping the same character across many images: How to Keep the Same Character in AI Art (Face, Hair and Outfit) →

What are the common standing image mistakes and fixes?

Problem	Cause	Fix
She turns to the side	Weak direction instruction	Put facing viewer, looking at viewer near the start
Feet or head get cut off	No framing specified	Write cowboy shot or full body and generate in portrait
Fingers break	A complicated hand pose	Use arms at sides or hands behind back
A busy background that is hard to remove	No background specified	Add simple background, white background
Clothes or hair change in variants	Each variant made from scratch	Fix only the face of the base image

What should you watch when streaming with an AI avatar?

Check the generation service's terms to see whether you may use the image for streaming, monetization and merchandise. Rules can change.

Do not make the look resemble existing VTubers or anime characters
Check each streaming platform's official guidelines for how AI works are treated and labeled
Keep both the original large image and the transparent PNG

How to make the standing image's background transparent: How to Make an AI Illustration Background Transparent (Steps, White Edges, File Formats) →

To decide the character design first: How to design characters with AI (concept, colors and silhouette) →

To turn the standing image into a lip-sync video: How to Make a Lip Sync Video With AI →

FAQ

Frequently Asked Questions

What framing suits a VTuber standing image?

A front-facing image with arms down, from the waist up (cowboy shot) or full body, is recommended. It fits easily at the edge of a stream layout and the background is easy to remove.

My character changes when I make expression variants.

Do not make each one from scratch; fix only the area around the face of the base image. The clothes and hair stay put and only the expression changes.

Can an AI standing image be animated as it is?

A single image cannot become an avatar that moves its body or eyes (such as Live2D). You need separate work to split it into parts such as eyes, mouth and hair.

Can I monetize streams that use an AI avatar?

It depends on the generation service's terms and the streaming platform's rules. These can change, so check the official terms before use.

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