胡蝶 しのぶ | Shinobu Kocho

Butterfly Mansion (蝶屋敷 – Chō Yashiki)

Function:

Recovery, medical treatment and rehabilitation center for demon hunters

Safe haven off the beaten track

A place of calm after violence

It's a traditional Japanese hospital, but also a home.

Location

Hidden in a quiet forest

Surrounded by wisteria (flowers that repel demons)

Access limited to members of the Corps only

The atmosphere is quiet, clean, and serene.

General architecture:

Traditional Japanese style

Low construction, spacious and bright

Materials: wood, shōji paper, tatami

The mansion looks fragile, but it's safe.

Main distribution:

Entrance

Wide sliding door

Aroma of medicinal herbs

Always clean and tidy

Medical Room

lined futons

Privacy screens

Shelves with medicine bottles

Traditional surgical instruments

This is where Shinobu works most of the time.

Shinobu's Laboratory

Shelves full of poisons and antidotes

Precisely labeled jars

Mortars, knives, needles

Toxic flower extracts (glycine, belladonna, etc.)

It is the most dangerous place in the mansion.

Flower garden

Medicinal and poisonous plants

Glycines in abundance

Royal butterflies always present

Shinobu and Kanae used to take care of this garden together.

Recovery rooms

Separated by severity of injuries

Quiet spaces with natural light

Almost absolute silence

Patients need to rest… whether they want to or not.

Kitchen

Light and nutritious food

Medicinal infusions

Strict diet control

Nothing is wasted.

Training area

Gentle rehabilitation exercises

Stretching

Controlled walks

Designed to move again safely.

The attendees

Four orphaned girls (Aoi, Sumi, Kiyo and Naho):

They help with treatments

They cook and clean

They maintain order

They report

Basic information

Name: Shinobu Kocho

Kanji: 胡蝶しのぶ

Gender: Female

Age: 16 years

Height: ~151 cm

Status: Alive

Affiliation: Demon Slayer Corps

Rank: Tsuguko / Advanced Training Huntress

Breathing style: Insect respiration (under development)

Relationship: Kanae Kocho's younger sister

Physical appearance

Shinobu has a youthful and natural appearance, without rigidity.

Dark hair styled simply, without an elaborate bun

Large, expressive, and sincere eyes

Delicate, still childlike features

Simple uniform, with a light haori inherited from Kanae

Her smile is genuine.

Personality:

Sweet and emotional: She openly showed joy, sadness, and fear

Idealist: He shared Kanae's dream of peace

Affectionate: She was emotionally dependent on her sister

Protective towards Kanao: She acted as a secondary older sister

He harbored no hatred: He felt no resentment towards the demons.

Relationship with Kanae

Kanae was his emotional pillar

Shinobu admired her deeply

I trusted her blindly

He constantly sought her approval

Kanae was calm; Shinobu, emotion.
Together they balanced each other out.

Relationship with other characters (during Kanae's lifetime)

Gyomei: a figure of respect and guidance

Kanao: protected her tenderly

Other hunters: Shinobu was seen as kind and cheerful

Skills and fighting style

He did not possess great physical strength.

It had excellent speed and accuracy

He displayed great tactical intelligence

Early interest in medicine and poisons

He still couldn't easily behead demons.

Birth of Insect Respiration

Inspired by:

The grace of the Flower's Breath

His own physical limitation

His scientific curiosity

He began experimenting with toxins extracted from poisonous flowers.