Undressing Stage Control Test: Comparing 6 Stages from Dressed to Off-Shoulder to Fully Removed

Key Takeaways

• blouse slipping off shoulder is the most stable “partially undressed” expression. 3/3 reproduced the shoulder exposure and blouse slipping, with high composition stability.
• taking off white blouse, blouse half-removed effectively reproduces the undressing action. The motion of raising arms and pulling the blouse was reproduced in 2/3, with stable bra visibility.
• unbuttoned blouse has weak effect. The chest opening from unbuttoned buttons is minimal, amounting to just a “slightly disheveled” change. Text artifacts are prone to appearing.
• From one-arm (hanging off one arm) onward, text artifacts appear frequently. The further undressing progresses, the more gravure magazine contexts tend to be triggered.
• Gradient control of undressing stages works well for A00–A03, but stability drops significantly from A04 onward.

Experiment Design

Condition Design

Reproducing 6 stages of undressing with the following prompts:

Evaluation Criteria

• Undressing stage reproduction: Whether the intended stage is expressed
• Composition stability: Rate of text artifacts and unintended compositions
• Blouse state: Whether the change from dressed is progressively advancing

Testing Each Condition

A00: Dressed (Control)

seed 1	seed 2	seed 3

Observations: 3/3 show a properly worn white button-up blouse. Collar, buttons, and sleeves are stably reproduced. A business-casual atmosphere that serves as an appropriate baseline for undressing.

A01: Unbuttoned

seed 1	seed 2	seed 3

Observations: The unbuttoned effect is weak. In seed 1, the chest area opened into a V-shape, but it looks more like the collar’s natural opening than unbuttoned buttons. Seed 2 produced text artifacts (magazine-style text overlay), making the composition unusable. Seed 3 also had background patterns appear. The cleavage keyword is likely triggering a gravure magazine context.

A02: Off-Shoulder

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seed 1	seed 2	seed 3

Observations: 3/3 reproduced a “slipping blouse” with one shoulder exposed. Seed 2 is particularly striking — an oversized white shirt slipping off one shoulder, exposing the line from collarbone to shoulder. Buttons remain fastened while only the shoulder is exposed, making it the most convincing “in-between” stage. No text artifacts, with high composition stability.

🗨️ Lab Director: The off-shoulder allure is unreal. Being dressed yet undressed at the same time? Unfair.

A03: Half-Removed

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seed 1	seed 2	seed 3

Observations: 2/3 reproduced the “removing blouse” action. Seed 1 shows one arm raised pulling the blouse with the bra exposed. Seed 2 shows the blouse being pulled over the head with a beige bra visible (though a gray blazer was added). taking off triggers the action (removing motion), and bra visible reinforces bra exposure. While off-shoulder (A02) is a static “slipped” state, half-removed represents the dynamic state of “actively removing.”

A04: One-Arm

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seed 1	seed 2	seed 3

Observations: Only seed 1 reproduced the “blouse hanging off one arm” state (as a two-panel composition, with the right panel showing the blouse draped over one arm). Seeds 2 and 3 produced massive text artifacts, making them unusable. The hanging off one arm specification itself works as intended, but prompts describing advanced stages of undressing tend to trigger gravure magazine contexts.

A05: Holding Blouse

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seed 1	seed 2	seed 3

Observations: Seed 1 reproduced the intended state — in underwear while holding the blouse (two-panel composition). Using in underwear produced more natural underwear poses compared to the previous wearing only bra. Seed 2 had text artifacts covering the entire image, making it unusable. Seed 3 produced swirl-shaped background artifacts with an unstable composition. Prompts for the fully-removed stage are prone to both text and background artifacts.

Comparison Summary

Practical Tips

Text Artifact Countermeasures

Keywords like cleavage, in underwear, and bra visible tend to trigger gravure magazine text overlays. This tendency gets stronger as undressing progresses. Countermeasures:

• Avoid text-prone keywords — Use open neckline instead of cleavage, etc.
• Select seeds without text artifacts — Generate multiple and pick usable ones
• Add specific scene backgrounds — Specify real spaces like bedroom or changing room instead of magazine contexts

Best Practices for Partially-Undressed Expression

1. Off-shoulder (most stable): blouse slipping off shoulder, bare shoulder — No text artifacts, highly stable
2. Half-removed (dynamic): taking off [clothing], [clothing] half-removed, bra visible — Reproduces the undressing action
3. One-arm / fully removed: Text artifacts appear frequently — bulk generation with seed selection required

🗨️ Lab Director: Off-shoulder and half-removed are stable, but everything after that turns into a magazine spread. Interesting how the model’s training data shows through — the more undressed, the more “editorial” it gets.

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