Biodata

Feature Details
Name Shizuka Sakaki (坂木静香)
Species/Race Human
Gender Female
Age 20 4
Affiliation Pathfinder Detective Agency; Daibao Films and Eito Studios through her entertainment contract 5 235
Occupation/Role Detective agency assistant; aspiring voice actress and performer 4 5
Status Active
First Appearance Chapter 4

Power Progression

Stage / Realm / Level Chapter Notes
Voice Changing Technique — Intermediate 91 Reached intermediate standards for monster-voice imitation after over a month of dedicated practice, Jiang Hang's guidance, and System assistance. She still needed time to fully solidify the skill. 91
Voice-changing and disguise skills — Intermediate or higher 235 Her voice-changing and disguise techniques are described as having reached at least intermediate level, allowing her to compete with veteran voice actors in acting ability. 235
Acting — Intermediate 244 Her overall acting ability reaches intermediate level within roughly half a year; her voice-changing technique is described as nearing advanced level. 244

Background

Shizuka completed two years at a specialized voice-acting school after high school but remained unsigned by an agency. While continuing weekly training at a voice-actor institute, she sought part-time work to support herself and accepted an interview at a detective agency out of interest in crime dramas and the chance to observe material useful for acting. 4

She joined Jiang Hang's Pathfinder Detective Agency alongside Koharu Yoshino. Although initially extremely nervous and formal during her interview, she made clear that becoming a voice actress remained her central goal. 5 7

Her family does not uniformly share the same view of her career: her father neither openly supports nor opposes it, while her mother and younger sister are supportive. Her parents paid most of the cost of her Tokyo voice-acting education. 17

Appearance

Shizuka is a delicate-looking young woman with red hair. Her appearance is repeatedly noted as striking enough to support an idol voice-actress career and to draw public attention during television appearances. 4 175

  • Red-haired. 4
  • Described as delicate-looking. 4
  • Receives elaborate on-camera styling for her first major television appearance. 175

Personality

Shizuka begins as a nervous but conscientious newcomer who treats even a job interview like an audition. She is diligent about agency work, volunteering to remain at the office to receive clients when others leave and continuing to practice her vocal work outside regular duties. 5 8

Audition failures leave her discouraged, but not defeated. She continues pursuing voice acting, develops her voice-changing technique through sustained practice, and turns down an early named role when she believes the production wants to exploit Jiang Hang's fame rather than recognize her own ability. 17 70 91

She is observant, considerate, and protective of people around her. She worries about Jiang Hang's stress, quickly empathizes with stalking victim Nishitani Miho, and becomes increasingly willing to present deductions despite fearing that she may be wrong. 70 123 177

Shizuka also has a playful side around Jiang Hang. After learning which titles irritate him, she deliberately teases him with phrases such as “Righteous Director-san.” 17

Abilities & Skills

Voice Acting and Voice Changing

Shizuka's principal talent is performance, particularly voice work. Jiang Hang identifies her as having high potential in the performing arts and believes she can become a recognized voice actress if she continues on that path. 19

  • Can shift from her ordinary voice to a male voice and produce non-human monster roars. 70
  • Reached intermediate-level monster-voice imitation after intensive practice. 91
  • Uses her detective-agency experiences as reference material for acting and auditions. 69
  • Her strongest monster roars can strain her throat. 70
  • Was assigned work as the Beika Art Museum announcer for practical vocal training. 91

Acting and Performance

Jiang Hang teaches Shizuka acting methods beyond those she learned in voice-acting school. By the time of the Spider Mansion television program, she is able to appear on stage as his assistant and handle audience-facing deduction segments. 91 175

  • Performs narration with deliberately chilling control when presenting the Spider Mansion case. 164
  • Uses visual details, including clothing and seasonal fashion, to support deductions on television. 178
  • Her television exposure and monster-voice promotional material bring her considerable online attention and further audition invitations. 193
  • Has the acting ability needed to plausibly imitate roles when required by agency operations, though Koharu Yoshino ultimately handles the impersonation of Kogoro Mouri. 240 241

Disguise

Shizuka studies disguise techniques alongside voice alteration under Jiang Hang. His traditional disguise methods are slower than Kaito Kid's transformations but are intended for stable, long-term impersonation and are more accessible to beginners. 55 180

  • Her disguise skill eventually reaches intermediate level or above. 235
  • Combines disguise study with vocal control as preparation for both acting and investigative work. 55
  • Her accelerated development stems from her own aptitude, enhanced by Jiang Hang's System-assisted training. 244

Investigation and Information Gathering

Working at the agency develops Shizuka from a novice into a capable assistant investigator. She can interview witnesses, organize case information, notice inconsistencies, and contribute deductions under pressure. 73 169 177

  • Notices abnormal elevator behavior at Beika Library and suggests checking above it, helping lead to the discovery of Tamada Kazuo's body. 73
  • Conducts a careful information interview with a Spider Mansion maid without revealing suspicion, recording the resulting details in a notebook. 169
  • Correctly questions the relationship between Takeda Misa and maid Ranta Miyuki during the Spider Mansion broadcast. 176
  • Identifies a timeline inconsistency that rules out Negishi as Takeda Kinuyo's earlier affair partner. 177
  • Detects flaws in Hattori Shizuka's “Ms. Ikenami” disguise through verbal slips. 221 224

Self-Defense Training

Jiang Hang teaches Shizuka simple grappling and close-combat techniques for safety, though he does not consider lethal martial arts such as Baji Quan suitable for her. 55 199

  • Carries an electric anti-stalker device developed by Professor Agasa when going out. 70
  • Experiences the memories of a legendary female Assassin Brotherhood founder through the Animus, exposing her to assassin techniques from a historical perspective. 250
  • Her combat training is intended for self-protection rather than direct confrontation with armed enemies. 55 305

Career

Shizuka fails an important early audition despite preparing extensively and using Jiang Hang's meditative sleep method to manage her nerves. Jiang Hang consoles her and encourages her to persist rather than abandon her dream. 16 17

She later receives a role in a mystery anime because the director is interested in her connection to Jiang Hang's detective agency. She refuses it, uncomfortable with debuting through publicity built on Jiang Hang rather than her own work. 69 70

Her first substantial performance opportunity comes through monster vocal work for Ultraman. She focuses on developing unsettling but controlled monster roars, eventually reaching intermediate skill in voice changing. 70 91

Her televised appearance during the Spider Mansion case significantly raises her public profile. Online viewers praise both her appearance and professional performance, while the Ultraman team's promotional footage of her monster voice work creates further attention from agencies and animation directors. 175 193

Relationships

  • Jiang Hang — Employer, mentor, and close colleague. He hires her as an agency assistant, trains her in acting, voice changing, disguise, and self-defense, and later entrusts her with knowledge of the Pioneer Foundation, Eden Artifacts, and the Black Organization. 5 55 243 244
  • Koharu Yoshino — Fellow assistant and close friend. The two bond quickly after joining the agency, support one another in their ambitions, and train together in investigative and disguise-related skills. 5 55
  • Imai Midori — Friend from the animation club. Midori takes a strong interest in Jiang Hang's cases as possible script material, while Shizuka shares agency experiences with her. 7 102
  • Miyamori Aoi, Yasuhara Ema, and Todo Misa — Shizuka's longtime animation-club friends. They remain invested in her voice-acting progress and are astonished by the results of her voice-changing training. 7 70
  • Conan Edogawa — Investigative partner on several cases. They work together at Beika Library, where Conan supports her as she takes initiative in the investigation. 72 73
  • Nishitani Miho — Client who approaches Shizuka after being stalked by Nagai Tatsuya. Shizuka responds with urgency and later comforts Miho after the case is resolved. 70 72

Story Role / Major Arcs

Joining the Pathfinder Detective Agency

Shizuka interviews for a part-time assistant position while pursuing voice acting and is hired by Jiang Hang alongside Koharu Yoshino. She quickly becomes responsible for receiving clients, recording requests, and assisting with the agency's day-to-day work. 4 5 8

Early Auditions and Professional Training

After an audition failure, Shizuka openly discusses her frustrations with Jiang Hang. His support, training, and System-enhanced development accelerate her growth in acting, voice work, and disguise. 17 55 244

Library Murder Case

While visiting Beika Library with Conan, Shizuka notices an inconsistency involving the elevator and pushes for a search that leads to the victim's discovery. The case demonstrates her growing observational ability and earns Inspector Megure's trust. 72 73

Nisame Association Threat

After showing her face during the library case, Shizuka becomes a possible target of the Nisame Association. Jiang Hang has her stay at the agency while he establishes defenses and resolves the threat; she eventually returns home after the danger passes. 92 93 102

Spider Mansion Broadcast

Shizuka appears beside Jiang Hang on a televised investigation of the Spider Mansion suicides. Though she initially feels outmatched by the production team's information, she contributes key observations and deductions on camera. 175 176 177

Trusted Confidante

Jiang Hang later reveals his connection to the Pioneer Foundation, Eden Artifacts, and the Black Organization to Shizuka and Koharu. Though overwhelmed by the scale of the secrets, Shizuka chooses to keep supporting him as an assistant. 243 305

Animus Training and Eden Artifact Travel

Shizuka uses the Animus to experience the memories of an ancient female assassin, then becomes the first person Jiang Hang invites to travel with his teleportation-capable Eden Artifact. 250 300 301

Notable Quotes

“I’ll work hard!” 8

“I’m not the same person I was a month ago.” 70

“Now, I’m also thinking of continuing to be Jiang Hang-kun’s assistant and providing any help within my capabilities.” 305