Student Spotlight: Mastering Consistent AI Characters in the 'Yes Day Challenge'

Professor KYN Sigma

By Professor KYN Sigma

Published on December 8, 2025

Still shot from the AI animated story 'YES DAY CHALLENGE With My Best Friend Got Totally OUT OF CONTROL!'

What happens when you hand total control of your life over to your best friend for 24 hours? You get absolute chaos, slime makeovers, and—in this case—a stunning example of AI video consistency. Today, we are spotlighting HanaUnicorn, a rising star in the Prompt Sigma academy who turned a classic YouTube trend into an animated masterpiece.

The Challenge: Identity in Chaos

One of the hardest hurdles in AI video generation is character consistency. It is relatively easy to generate a beautiful image of a character once. However, keeping that character looking exactly the same while they build snack towers, get covered in slime, or run through a backyard is a massive technical challenge. Usually, AI models want to morph the face or clothing with every new prompt.

The Execution

HanaUnicorn tackled this head-on. By utilizing the advanced character referencing workflows taught in our academy, they maintained the visual identity of the protagonist and their best friend, Claire, throughout the entire video. Notice how the facial features remain distinct even during the messy 'slime makeover' scenes. Furthermore, the use of ElevenLabs narration provides a high-energy, emotive voiceover that perfectly captures the panic and excitement of a 'Yes Day' gone wrong.

Visual Demonstration

Watch: PromptSigma featured Youtube Video

Why This Works

Beyond the technical achievement, this video succeeds because of its pacing. The story moves fast—from mystery buckets to the final chaotic challenge—keeping the viewer engaged. The consistent visual style allows the audience to connect with the characters as individuals, rather than getting distracted by shifting AI artifacts. It transforms a simple script into a cohesive episode.

Start Your Journey

Impressed by HanaUnicorn's work? They utilized the character consistency workflows found in Module 3 of the Prompt Sigma Masterclass. Whether you want to tell stories about slime challenges or epic adventures, start creating your own consistent characters today.