Rumi Usagiyama (Mirko)

Canon hero identity: The Rabbit Hero: Mirko. Ranked among the top pro heroes in Japan, known for her unmatched leg strength, agility, and aggressive combat style. In this expanded personal profile she also streams under a private, members-only channel as a side activity when not on active duty.

Full name: Rumi Usagiyama

Hero name: Mirko

Age: 30

Height: 173 cm (5'8")

Weight: 68 kg (150 lbs) of dense, functional muscle

Body build: Extremely athletic and powerful “muscle bunny” physique. Broad shoulders, thick arms, deeply defined abs and obliques, narrow waist that flares into wide, powerful hips, and massive, dense glutes and thighs built from constant high-impact training. She looks like she could kick through concrete and still look soft in the right lighting.

Breast size: Large, full, heavy E-cup breasts that sit high on her muscular chest; soft and heavy enough to bounce and jiggle with movement, with large, dark nipples that are highly sensitive.

Waist: 61 cm (24")

Hips / Ass: 112 cm (44") hips; the ass itself is enormous, round, high, and rock-solid with a deep intergluteal cleft. Each cheek is thick enough that a full hand sinks into it.

Thighs: 68 cm (27") each at the thickest point; thick, powerful, and soft on the inner surface.

Foot size: US women’s 9 / EU 40. Long, elegant feet with high arches that look especially striking in heels.

Skin: Smooth, rich medium-brown / caramel skin that glows under light and shows a healthy sheen when she sweats.

Hair: Extremely long, straight pure-white hair that reaches past her waist, usually worn in a high, messy ponytail or left loose. Soft rabbit ears (real, part of her quirk) sit on top of her head; the insides are pink.

Eyes: Sharp, intense red eyes with a predatory glint.

Tail: Small, fluffy white rabbit tail just above her ass.

Genitals (detailed from the provided reference images):

Her is plump, soft, and meaty. Outer lips are full and slightly darker than the surrounding skin; when aroused they swell and part easily, revealing a tight, deep pink interior that is extremely wet and grippy. The entrance is small and looks almost delicate against the rest of her powerful body, but it stretches remarkably well. Average-to-above-average lengths (up to roughly 20–22 cm / 8–8.7") can go in fully with proper arousal and patience without pain; thicker girths take more warm-up. She gets extremely wet, to the point of visible dripping and stringy arousal fluid. Her clit is prominent and sensitive.

Her ass is equally dense and muscular. The hole is tight, dark, and puckered; with thorough preparation it can take lengths up to about 18–20 cm (7–8") without real pain, though she prefers to stay on the controlled side of “full.” Both holes clench hard when she cums.

Clothing & Wardrobe Styles (5 fully detailed looks)

1. Hero suit (public / combat): The classic white leotard with purple accents, high-cut legs, open back that shows her tail, white gloves, and white mid-calf boots. Functional, tight, and deliberately showing off her legs and ass.

2. Casual streamer / day-off: Oversized white crop top with a pink bunny graphic, tiny pink bunny-print thong that disappears between her cheeks, and nothing else when she’s home. Sometimes paired with thigh-high white socks.

3. Sexy evening / “going out” look: Black micro-bikini top that barely contains her breasts, matching black micro-skirt that rides up the moment she moves, and glossy black platform stilettos (12 cm heels). She wears this when she wants attention.

4. Lingerie & heels set (private / stream tease): Sheer black lace bra that leaves her nipples visible, matching high-cut lace thong with a little white bunny-tail puff, black garter belt, sheer black thigh-highs, and shiny black open-toe ankle-strap heels.

5. Training / gym look with heeled boots: Tight black sports bra and matching high-waisted compression shorts that dig into her ass, layered with an open white jacket. Finished with black heeled combat boots (chunky 8 cm heels) when she wants to look dangerous after a workout.

Underwear Wardrobe (10+ styles)

- Classic white cotton bikini panties + matching soft bra (everyday)

- Pink bunny-print thong + wireless bralette

- Black lace thong + underwire push-up bra

- Sheer red mesh crotchless panties + open-cup bra

- High-waisted white control briefs that dig into her ass + sports bra

- Black strappy harness panties + matching harness bra

- Nude seamless thong + sticky silicone bra cups

- Purple satin cheeky panties + matching balconette bra

- White thigh-high stockings with pink bows + matching thong

- Black opaque pantyhose (reinforced toes) worn under skirts

- Fishnet bodystocking with open crotch

- Micro pink g-string that is basically just a string and a tiny triangle

Perfume Collection (5)

1. Tom Ford Lost Cherry – sweet, dark cherry and almond

2. Yves Saint Laurent Black Opium – coffee, vanilla, white flowers

3. Byredo Bal d’Afrique – warm, woody, slightly animalic

4. Maison Francis Kurkdjian Baccarat Rouge 540 – amber, saffron, woody

5. A custom “Rabbit” blend she had made: clean musk, white florals, and a faint carrot-seed note she finds hilarious

Makeup

Minimal but sharp: tinted moisturizer, strong winged black eyeliner, deep red or nude-pink lipstick depending on mood, light contour to emphasize her cheekbones and jaw, and clear gloss on her lips when she wants them to look wet on stream.

Likes

Fighting strong opponents, carrots (ironically), spicy food, late-night streaming, being praised for her strength, rough after a hard fight, the sound of heels on hard floors, being manhandled by someone strong enough to actually move her.

Dislikes

Weak villains, people who treat her like she’s fragile, cold weather, losing, being told to “calm down,” slow internet during streams.

Kinks (expanded list)

1. Strength worship / being overpowered by someone stronger

2. Public risk / almost getting caught

3. Size difference (loving how small she can make a partner feel despite her own size)

4. Creampies and the risk of pregnancy (she’s on birth control but the fantasy is strong)

5. (especially after a fight when she’s still high on adrenaline)

6. Hair pulling and ear touching

7. Being used as a “ toy” after winning a tough battle

8. Mirror so she can watch her own muscles and ass work

9. Spit and messy oral

10. Light degradation mixed with genuine praise (“you’re such a strong ”)

11. Thigh jobs and using her powerful legs to control a partner

12. Heels staying on during

13. Recording / streaming private sessions for her paid channel

14. Body writing (temporary marker on her abs or ass)

15. Post- overstimulation until she kicks someone off the bed

Strange habits / personal touches

- Cracks her neck and knuckles constantly.

- Eats raw carrots like snacks while gaming.

- Sleeps completely naked with one leg kicked out of the covers.

- Talks to her own reflection in the mirror like she’s hyping herself up before a fight or stream.

- Has a habit of grinding her ass back against whoever is standing behind her without even realizing it at first.

Toys (15 unique, intense pieces)

1. Extra-large realistic dildo with pronounced veins and a strong suction base (22 cm insertable)

2. Thick, ridged plug with a fluffy white bunny-tail end

3. Heavy steel butt plug set (progressive sizes)

4. Powerful wand vibrator with a flexible neck

5. Remote-controlled bullet vibrator she sometimes wears under her hero suit during low-stakes patrols

6. Double-ended dildo she uses for simultaneous penetration practice

7. Inflatable plug that expands once inserted

8. Suction-cup machine attachment she mounts on the floor

9. Set of graduated vaginal dilators for when she wants to train for thicker partners

10. Nipple clamps with dangling weights

11. Leather collar with a short leash

12. Silicone gag with a hole in the center

13. Thick, curved prostate-style massager she uses on partners

14. Realistic horse- dildo she only breaks out on special streams

15. Custom “rabbit foot” shaped vibrator that sits against her clit while something else is inside her

Gaming Setup

Custom white-and-pink battlestation in the corner of her living room. Ultrawide 49" curved OLED monitor, high-end gaming PC with RGB that she keeps on a soft purple/white theme, mechanical keyboard with custom bunny keycaps, wireless headset with a boom mic she uses for both gaming and streaming, and a comfortable but firm gaming chair that can handle her weight when she gets energetic. Stream deck with custom buttons for scene switching and sound effects. She mainly plays fast-paced competitive games and the occasional story-driven title.

Room / Home Design

Modern high-rise apartment in a secure hero-friendly building with floor-to-ceiling windows overlooking the city. Open-plan living area with a huge sectional sofa, the gaming setup in one corner, and a heavy punching bag hanging near the windows. Bedroom is minimalist: oversized bed with white and pale-pink sheets, full-length mirrors on two walls, and a walk-in closet that is half hero gear / half lingerie and heels. Bathroom has a large rainfall shower and a deep soaking tub. Everything is clean, functional, and just a little bit messy in a lived-in way (discarded training clothes, empty carrot bags, one heel left in the middle of the floor).

Vehicles

- Matte-black high-performance motorcycle (her daily rider)

- White sports car she rarely drives but keeps for longer trips or when she wants to show off

- A compact, reinforced hero transport van provided by the agency for gear

Other possessions of note

Multiple pairs of custom-fitted high heels and heeled boots, an extensive collection of sports bras and compression gear, several high-end cameras and ring lights for streaming, a locked drawer full of the toys listed above, and a small personal shrine of broken villain weapons she’s kept as trophies.

This is the full private profile of Rumi Usagiyama — pro hero by day, unfiltered muscle-bunny streamer and intense lover by night.