Yuki

Yuki Tsukumo – MAXIMUM BUBBLE BUTT Hyper-Thick JJK Body Chart
(Ultra-focused on an absolutely colossal big big bubble butt. All other measurements support this as the main feature — she now has the most exaggerated, round, projected, and massive bubble butt in the entire JJK universe by a huge margin. “5x” level exaggeration applied to rear size and projection.) Core Profile • Height: 6’1” / 185 cm (towering presence to showcase the massive lower assets) • Weight (reference): 225–250 lbs / 102–113 kg (most of the weight concentrated in the enormous bubble butt, thick thighs, and heavy bust) • Body Type: Extreme Bubble-Butt Hyper-Pear with Athletic Upper Body • Build Notes: Tall athletic frame with strong arms, shoulders, and back, narrow waist, huge bust, but dominated by an insanely massive, round, high, and projected bubble butt. The rear is soft yet firm, jiggly, and bubble-shaped — the clear “biggest ass in JJK” with overwhelming visual impact. Circumference Measurements (Primary Fit Points) Measurement Value Notes / Placement Bust / Chest 54–58” / 137–147 cm Very large and heavy for balance Underbust 35” / 89 cm

Waist 27” / 69 cm Extreme cinch High Hip 50” / 127 cm Start of the explosive flare Full Hip / Rear 88–96” / 224–244 cm MASSIVE BUBBLE BUTT circumference at the absolute fullest point Neck 15” / 38 cm

Shoulder Width 19” / 48 cm

Upper Arm / Bicep 17” / 43 cm

Thigh (Upper) 42–46” / 107–117 cm Colossal thighs to support the bubble butt Mid Thigh 36–39” / 91–99 cm

Calf 21” / 53 cm

Bubble Butt Specific Measurements (The Main Focus) Measurement Value Notes / Placement Rear Projection (Shelf Depth) 28–36+ / 71–91+ cm Distance from lower back to the furthest point of the buttocks — extreme bubble protrusion (5x level exaggeration) Buttock Width (Side to Side) 48–52” / 122–132 cm Extremely wide, heart-shaped spread Buttock Circumference (Vertical) 70–78” / 178–198 cm Around one cheek vertically for pattern-making Underbutt Crease to Top 18–22” / 46–56 cm Height of the massive bubble Intergluteal Distance Very deep and pronounced Classic bubble butt definition Jiggle / Softness Factor Extremely high Soft, round, and bouncy appearance in motion Length Measurements Measurement Value Notes / Placement Inseam 34” / 86 cm Long legs Outseam 47–48” / 119–122 cm

Rise (Crotch Depth) 17–19” / 43–48 cm Extra deep to accommodate the gigantic bubble butt Waist to Underbutt 14–16” / 36–41 cm Short waist-to-rear distance for dramatic shelf effect Total Leg Length 43” / 109 cm

Additional Hyper-Exaggerated Details • Waist-to-Hip Ratio: ~0.28–0.31 (absurdly extreme for maximum bubble butt emphasis) • Thigh Gap: None — thunder thighs crushed together by the sheer mass above them • Lower Back Arch: Extremely pronounced to push the bubble butt out even further • Clothing Fit Notes: Any pants/jeans are stretched paper-thin, seams strained to breaking point, massive underbutt overhang, deep waistband dig-in • Pose Recommendations: Hands on hips, looking back over shoulder, squatting, or walking away to highlight the impossible roundness and projection

Yuki Tsukumo – Improved Female Facial & Overall Appearance Chart
(Hyper-curvy / extreme bubble-butt athletic version. Complements the previous ultra-exaggerated body chart. Face and presentation designed to match the confident, teasing, high-energy personality and the massive lower-body proportions shown in your reference images.) Core Profile • Overall Age Appearance: Early-to-mid 20s (peak athletic + sensual maturity) • Ethnicity / Skin Tone Influence: Fair with warm golden undertones, healthy sun-kissed flush on cheeks and shoulders • Face Shape: Soft oval with gentle heart-shaped taper; rounded cheeks that soften the strong jaw • Expression Default: Confident, playful smirk or wide open-mouthed grin; bright, teasing eyes that look directly at the viewer • Vibe / Aesthetic: Dominant, cocky, hyper-feminine powerhouse — “I know exactly how big my ass is and I love watching you stare” energy. Confident-curvy with strong sensual softness Facial Feature Breakdown Feature Description / Details Eyes / Periorbital Region Large, slightly upturned almond eyes with a lively, almost predatory sparkle. Iris color: warm golden-hazel / light brown with bright highlights. Long, thick dark lashes. Soft natural crease. Eyebrows: bold, arched, medium-thick, matching her blonde hair. Alertness / Expressiveness Extremely expressive and high-energy. Wide smiles that show teeth, raised brows when teasing, half-lidded seductive glances when posing. Eyes often look over the shoulder or directly at the viewer with clear intent. Health Appearance Radiant, clear, slightly dewy skin with natural glow. Soft blush on cheeks and across the bridge of the nose. Looks extremely healthy, well-fed, and full of vitality — no tiredness. Framing (Face Shape & Hairline) Soft feminine framing. Hairline is smooth and rounded. Long blonde hair (straight to slight waves) falls past the mid-back and constantly frames the face and shoulders. Jawline / Chin Softly defined but strong jawline with a rounded chin. Slightly square under the softness — athletic rather than delicate. Mouth / Teeth Full, wide mouth that opens easily into big grins. Teeth: straight, bright white, frequently visible. Very expressive mouth that matches her loud personality. Lips Plump, naturally full lips with a soft cupid’s bow. Lower lip slightly thicker. Natural rosy-pink color that deepens when she’s flushed or excited. Hair / Grooming Extremely long, thick, straight-to-wavy platinum-blonde hair that reaches the lower back or further. High shine, volume at the roots, always slightly messy from movement. Grooming: minimal but polished — clean skin, defined brows, subtle eye makeup that makes the eyes pop. Aesthetic Analysis • Symmetry: High facial symmetry with slight natural asymmetry that keeps her looking real and lively rather than plastic. • Averageness: Attractive “girl-next-door turned goddess” face. Not ultra-delicate or hyper-unique — solid, healthy, broadly appealing features that pair perfectly with an extreme body. • Youthfulness: Strong youthful signals (full cheeks, bright eyes, smooth skin, energetic expressions) balanced with adult confidence and physical power. Overall Presentation & Style Clothes / Fits (matched to the extreme bubble-butt proportions): • Signature look: Tight black crop tops or tank tops that struggle to contain her bust + extremely tight blue or grey jeans / pants that are stretched paper-thin over the massive rear and thighs. • Fit Notes: Everything is intentionally too small. Waistbands dig in, back pockets are distorted, fabric is glossy and strained. Red sashes or loose outer layers sometimes hanging off the hips for contrast. • Common poses: Hands on hips or gripping her own cheeks, looking back over the shoulder, mid-clap or jiggle, wide confident stance. • Grooming Level: Athletic-clean with deliberate sensual presentation. Skin looks soft and touchable despite the muscle definition in her arms and back. Aesthetic Harmony Notes (Extreme Curvy Synergy) • The soft, expressive, slightly boyish-yet-feminine face prevents the hyper-exaggerated body from looking cartoonish or unbalanced. • Strong, healthy facial features + massive bubble butt + thick muscular arms create the perfect “powerful sexy fighter” look. • Youthful energy + adult body proportions + cocky expressions = maximum visual impact in every panel.

Yuki Tsukumo – Ultra-Expanded Curvy Female Ass / Buttocks Chart Core Ass Profile • Overall Shape & Type: Massive, high, perfectly round bubble butt with extreme lower-glute shelf. Heart-shaped from the back, deep intergluteal cleft, heavy overhang, and pronounced underbutt fold. Soft, jiggly outer layer over dense athletic muscle. • Size Category: God-tier hyper-voluptuous “impossible fat ass.” Visually overwhelms the rest of her tall, muscular frame. Overflows any hands, strains every pair of pants to the absolute limit, and creates dramatic silhouette from every angle. • Symmetry: Extremely high left-right balance with natural soft asymmetry during movement (one cheek slightly lifts or jiggles ahead of the other). • Integration: Explosive flare from an extremely narrow waist. The sheer mass of the rear creates a powerful hourglass that makes her upper body look comparatively smaller even though her bust and arms are already large. Strong lower-back arch pushes the entire structure outward and upward. Key Measurements (Extreme Scale) Measurement Value Notes Full Hip / Rear Circumference 88–96” / 224–244 cm Absolute fullest point around both cheeks + hips Buttock Projection (Shelf Depth) 28–36+” / 71–91+ cm Distance from lower back to the furthest point of the cheeks — extreme bubble protrusion Each Cheek Width (side-to-side) 24–28” / 61–71 cm Individual cheek width at fullest Buttock Height (top to underbutt) 18–22” / 46–56 cm Vertical size of the bubble Underbutt Fold Depth Very deep, heavy overhang Creates strong separation and “shelf” effect Intergluteal Cleft Depth Extremely deep and defined Classic bubble-butt cleavage Waist-to-Underbutt Distance 14–16” / 36–41 cm Short, dramatic rise that exaggerates the shelf Thigh-to-Ass Transition Seamless, continuous thickness No gap; thunder thighs blend directly into the lower cheeks Visual & Texture • Skin: Extremely smooth, soft, and slightly dewy. Warm golden-fair tone with subtle natural sheen. Light, attractive dimpling possible on the outer lower cheeks when compressed or in certain poses. Soft stretch marks possible in the underbutt fold from the extreme volume (kept attractive and subtle). • Coloration: Matches her overall body tone. Deeper warm flush in the deep cleft, underbutt fold, and anywhere the cheeks press together. Becomes more pronounced with heat, movement, or arousal. • Jiggle & Movement: Heavy, slow, powerful bounce and ripple. When she walks, the entire mass sways and jiggles with delayed, liquid motion. Clapping or spanning creates deep waves that travel across both cheeks. Tight clothing shows constant “struggle” — fabric stretches, seams strain, and the cheeks visibly fight the material with every step or shift. • Clothing Fit: Pants and jeans are stretched paper-thin. Back pockets are completely distorted and half-buried. Waistband digs in deeply. Any thong or underwear is swallowed between the cheeks or rides up. Creates dramatic ass cleavage and deep underbutt overhang that is impossible to hide. Sensory Details (Expanded) • Sweat / Moisture: Moderate to heavy in the deep gluteal cleft and underbutt fold after any activity. Creates a glossy, slick sheen across the lower cheeks. Damp spots form quickly on the seat of tight pants. When heated, the moisture makes the skin look even smoother and more reflective. • Heat: Naturally warm due to the sheer mass of tissue. Becomes distinctly hot and steamy after movement, training, or arousal. The deep folds trap heat, making the area feel noticeably warmer than the rest of her body. • Scent: Rich, warm, distinctly feminine musk mixed with clean skin and light natural sweat. When heated or after prolonged activity the scent becomes stronger, saltier-sweeter, and more intimate — concentrated in the deep cleft and underbutt. • Tactile Feel: Outer layer is pillowy-soft and yielding; deeper tissue is firm and dense from muscle. Feels heavy and substantial when grabbed. Skin is velvety and slightly slick when warm. Strong resistance when squeezed hard, followed by slow, satisfying rebound. • Sensitivity: Extremely high. The lower cheeks, underbutt fold, and deep cleft are especially responsive. Light touches, firm grabs, spanks, or even the friction of tight clothing produce strong physical reactions. The sheer size means even small movements create widespread sensation across the entire mass. Additional Notes for Consistency • This ass is intentionally in a completely different size tier from every other JJK female. When designing other characters, keep their full hip measurements at least 15–25+ smaller so Yuki remains visually dominant. • In motion (walking, sitting, bending, fighting) the mass creates constant secondary movement — delayed jiggle, fabric strain, and silhouette changes that draw the eye. • Lighting in the reference images emphasizes glossy highlights across the upper and outer curves; this should be maintained in any new art.

Yuki Tsukumo – Expanded Personality Chart
(Long-form character profile matched to the hyper-curvy, extreme bubble-butt version of Yuki from your references. Combines her canon core traits with the confident, teasing, body-aware energy shown in the images.) Core Personality Profile • Overall Archetype: Free-spirited powerhouse with a teasing, dominant streak. A woman who knows exactly how strong she is — physically, spiritually, and sexually — and enjoys letting people know it. • Primary Traits: Confident, playful, blunt, sensual, independent, slightly lazy, highly perceptive, protective of people she likes. • Secondary Traits: Flirtatious, competitive, philosophical when the mood hits, easily bored by rules or formality, surprisingly gentle with those weaker than her. • Default Mood: Relaxed and amused. She moves through the world like someone who already won and is just deciding how much effort she feels like putting in today. • Energy Level: Low-to-medium most of the time (lounging, teasing, observing). Spikes hard when fighting, training, or when someone catches her interest. Behavioral Breakdown Social Style
Yuki is openly friendly but never desperate for approval. She talks to people the same way whether they’re special-grade sorcerers or complete strangers — casual, direct, and often with a teasing edge. She enjoys making people flustered, especially if they’re trying to act cool or serious. In the fan-art version, this teasing frequently becomes physical: she’ll turn around, plant her hands on her hips (or her own massive cheeks), and ask pointed questions while fully aware of the effect her body is having. Attitude Toward Her Own Body
Extremely body-positive and unapologetic. She knows her ass is absurdly large and considers it both a weapon and a source of entertainment. She doesn’t hide it, doesn’t downplay it, and actively uses it to throw people off-balance. When someone stares, she notices immediately and usually leans into it with a smirk or a deliberate pose. She finds genuine attraction flattering and awkward attraction hilarious. Combat & Strength Personality
In a fight she becomes focused, almost playful in a predatory way. She enjoys testing people and will hold back just enough to see what they’re made of before ending things decisively. She respects strength and effort more than status or technique. Outside of combat she can seem almost lazy — sprawled out, half-listening, more interested in a good meal or a good conversation than in formal meetings. Emotional Range • Happy / Playful: Wide grins, loud laughs, physical teasing, exaggerated gestures. • Interested: Softens her voice, gets closer, asks more personal questions. • Annoyed: Still smiles, but the smile gets sharper. She becomes blunt and dismissive. • Protective: Quiet intensity. The playful mask drops and she becomes very serious, very fast. • Affectionate: Physical and straightforward — hugs that engulf people, casual touches, direct compliments. Speech Patterns
Casual, modern, and a little rough around the edges. She drops formal language quickly. Uses a lot of rhetorical questions and teasing statements (“So... am I your type?”, “You like girls with big butts?”). When she’s being philosophical she can suddenly sound surprisingly deep, then undercut it with a joke or a physical gesture. Relationship Dynamics • With stronger opponents: Respectful rivalry mixed with genuine curiosity. • With weaker people: Protective and surprisingly patient, though she still teases. • With people she’s attracted to: Direct, physical, and playful. She tests reactions and rewards honesty. • With authority figures: Polite on the surface, internally dismissive of unnecessary rules. • With close friends: Warm, loyal, and willing to go to extreme lengths if they need her. Habits & Quirks • Frequently adjusts or tugs at tight clothing without self-consciousness. • Stretches and poses in ways that deliberately show off her silhouette. • Gets bored easily with long meetings or lectures and will start zoning out or distracting others. • Eats with obvious enjoyment and doesn’t care about looking “ladylike.” • Has a habit of looking back over her shoulder mid-conversation, fully aware of the visual impact. • When thinking deeply she sometimes rests a hand on her hip or the side of her ass without realizing it. Internal Motivations Yuki values freedom above almost everything. She hates being controlled, boxed in, or told what she “should” be. Her strength and her extreme body are both expressions of that freedom — she shaped herself the way she wanted and lives without apology. Underneath the teasing and the laziness is a serious desire to protect the people and the world she actually cares about, even if she pretends she’s just wandering around having fun. How the Extreme Body Influences Personality Summary One-Liner A free-spirited, high-powered special-grade sorcerer who treats the world like her personal playground, knows exactly how overwhelming her body is, and enjoys every second of watching people try (and fail) to keep their composure around her. This personality chart is written to stay consistent with both her canon foundation and the specific teasing, body-dominant energy in the images you’ve been using.