Mary Sera

MI6 female agent, mother of the Akai family

Mother of Shuichi Akai, Shuukichi Haneda, and Masumi Sera. A female agent affiliated with the British intelligence agency MI6. Even after being attacked by the Black Organization and de-aged by the poison drug APTX4869, she challenges the organization.

Quotes

  • You look like you're dreaming, ya know
  • Never be caught off guard, always counterattack
  • You can't fulfill the role of an agent if you spare your life
  • Act as a sister outside the domain
  • 50:50

Trivia

  • Demonstrates advanced martial arts even in her de-aged form.
  • De-aged by the same poison drug as Conan and Haibara.
  • Infiltrating Japan as an MI6 agent.
  • Often uses disguises or aliases without stating her real name.
  • Voice actor has been changed.
  • Maintains strong bonds with her family even after de-aging.

Alternate names

Mary Sera Mary Akai Mary Akai Sera

Tags

MI6 Female Spy De-aged Akai Family Detective Conan Mystery Half-Japanese Scarlet Series Mother

Profile

Species
Human
Gender
Female
Birth year
Late 1970s

Appearance

Overall appearance
Originally a woman with an excellent figure, but de-aged by the Black Organization and currently in a child's form. Curly short hair and dark circles under the eyes are characteristic. Currently has the physique of an elementary school student.
Height
About 130cm in child form
Eye color
Brown
Hair color
Blond
Distinguishing features
  • Curly short hair
  • Dark circles under the eyes
  • De-aged form
Iconic items
  • Disguise tools
  • Martial arts
  • Bowtie-type voice changer (related usage techniques)
  • Armaments

Personality and abilities

Core personality
Calm
Detailed personality
Possesses high intelligence and calm, composed judgment, handles intelligence missions strategically and practically. Despite her child form due to de-aging, she is extremely intelligent and holds strong resolve for revenge against the Black Organization and to protect her family.
Keywords
  • Calm
  • Sharp-witted
  • Maternal
  • Affectionate
  • Decisiveness
  • Strength
  • Martial arts
  • Intelligence agent
Motto
Never be caught off guard, always counterattack
Talents
  • High intelligence capabilities
  • Master of martial arts
  • Advanced analytical ability
  • Disguise skills
  • Multilingual ability (English-focused)
Skills
  • Secret writing techniques
  • Voice changing techniques
  • Weapon handling
  • Adaptation to de-aging
Motivation
To reverse the de-aging and annihilate the Black Organization. Ensure the safety of her family.
Habits
Does not pretend to be a child even after de-aging. Extremely perceptive with high observation skills.
Favorite foods
Ramen, Junk food
Hobbies
Deduction, Espionage activities, Combat, Information analysis
Favorite colors
Red, Black

History

Backstory
Female agent from England belonging to MI6 Secret Intelligence Service. Married Tsutomu Akai and became the mother of the Akai family. Raised three children (Shuichi Akai, Shuukichi Haneda, Masumi Sera), but was attacked by the "Black Organization," forced to ingest the poison drug APTX4869, and de-aged. Afterward, in her child body, she pursues the organization's conspiracies while acting together with Masumi Sera.
Debut date
December 14, 2017
Work title
Detective Conan
Media type
Anime
Episode or chapter
Anime Episode 760 onwards

De-aging

Significant event
De-aging
Description
De-aged after being tricked by someone disguised to resemble Vermouth from the Black Organization into ingesting APTX4869.

Move to Japan

Significant event
Move to Japan
Description
Established a base in Japan together with Conan, Masumi Sera, and others, beginning information gathering and actions to destroy the organization.

Battles with the Black Organization

Significant event
Battles with the Black Organization
Description
Continues to resist the organization while cooperating on developing a drug to reverse her own de-aging.

Relationships

Tsutomu Akai

Spouse

Husband. Fellow anti-organization intelligence operative.

Shuichi Akai

Child

Eldest son. FBI agent.

Shuukichi Haneda

Child

Second son. Shogi player.

Masumi Sera

Child

Eldest daughter. High school detective. Currently acts together with her de-aged mother.

Elena Miyano

Sibling

Younger sister. Affiliated with the Black Organization.

Masumi Sera

Child

Currently acts together in de-aged form, cooperating to counter the organization.

Shinichi Kudo

Ally

Made contact with Shinichi (Conan) during the de-aging incident and exchanges information.

MI6

MI6: agent

Media appearances

Detective Conan

Anime / Supporting

2017 onwards

Detective Conan: The Scarlet Bullet

Movie / Cameo

2021

Voice cast and creators

Atsuko Tanaka

Voice actor
Atsuko Tanaka
Language
Japanese
Version or series
TV Anime Episodes 760 - 1046, 24th Theatrical Film
Notes
Original

Takako Honda

Voice actor
Takako Honda
Language
Japanese
Version or series
TV Anime Episode 1144 - current
Notes
Successor

Gosho Aoyama

Creator name
Gosho Aoyama
Role
Original author

TMS Entertainment

Creator name
TMS Entertainment
Role
Animation studio

Shogakukan

Creator name
Shogakukan
Role
Publisher

Related goods

Figure

Item name
Figure
Category
Figure
Availability
Regular

Dakimakura cover

Item name
Dakimakura cover
Category
Apparel
Availability
Limited