Yamanaka

Biodata

Feature	Value
Name	Yamanaka (山中)
Species/Race	Human 48 65
Gender	Male
Affiliation	TPC Defense Team; first team after the second team is established 3 457
Occupation/Role	Defense Team member; marksman, pilot, and field investigator 77 382 419
First Appearance	Chapter 3 3

Background / History

Yamanaka first encounters Qi Ming while searching for the injured Captain Mamoru Shirogane with Kishida. Finding an unfamiliar young man supporting the captain inside a combat zone, he immediately demands to know who Qi Ming is and why he is there 3.

His early attitude makes him a source of friction within the team. Qi Ming considers recruiting Kyosuke Kamiki as a replacement for Yamanaka and Kishida if they refuse to change their thinking. Later, both men witness Qi Ming dent a door designed to withstand nuclear bombing and realize that he had held back during their earlier sparring session 10 14.

Yamanaka subsequently publicly rebukes Director Yu Tsuchihashi, earning explicit praise from Qi Ming. Nevertheless, he fears that the planned personnel reshuffle will consign him and Kishida to undesirable, marginalized posts. Despite this threatened reassignment, he continues appearing on Defense Team missions afterward 146 163.

His curiosity about Qi Ming eventually becomes more earnest than hostile. He tells the captain that he already considers Qi Ming trustworthy but wants to understand—and potentially learn—the source of his physical strength. Qi Ming gives him a daily exercise routine, which Yamanaka enthusiastically promises to begin 163.

Personality

Yamanaka habitually dismisses extraordinary explanations before accepting contrary evidence. He laughs at the claim that a woman transformed into a monster, then reverses himself when Nagi Saijo and Kishida point out supporting evidence. He also questions reports of vampires despite the team's repeated encounters with supernatural threats 72 202.

His judgment can be blunt and dismissive. After one operation, he calls the outing a “wasted trip,” prompting Mamoru Shirogane to remind him that saving a life is worthwhile. He also urges Maya to distance herself from Yukiko because he considers her character questionable 27 78.

These shortcomings coexist with genuine courage and concern for civilians. When pursuing a possessed violin, he prioritizes preventing further victims over the instrument's monetary value. During the attempt to replenish Ultraman Cosmos's energy, he is visibly distressed by Carmilla's pain and determined not to waste her sacrifice 293 382.

Yamanaka is also an enthusiastic gossip. He speculates about Nagi Saijo's romantic history, asks whether Emi is interested in Qi Ming, and questions the captain about office romances. His teammates later explain that concern over his tendency to talk was a reason for withholding Qi Ming's transformation secret 101 102 485.

He admires overwhelming power and wishes he could become an Ultraman himself. When Kishida argues that humans cannot suddenly grow into giants, Yamanaka counters with examples of aliens enlarging from human size. He also supports repairing King Joe to strengthen Earth's defenses 65 66.

Abilities & Skills

Marksmanship

• Accurately directs an energy-transfer beam through an ongoing melee into Ultraman Cosmos's Color Timer, delivering Carmilla's life energy at a critical moment 382.
• Hits the bullseye with all ten shots during routine shooting practice 457.
• Fires both pistols simultaneously to shatter the weapons of hostile ancient villagers rather than shooting the villagers themselves 420.

Aircraft Operation

• Pursues the Spacetime Super Beast alongside Homura aboard Falcon 1, taking the aircraft into the beast's time-travel energy field 419.
• Shoots down an alien flying saucer during a later patrol with Homura 460.
• Holds back during an aerial combat exercise intended to instruct second-team recruits; Aoki instead treats the simulation like a lethal engagement 457.

Field Investigation

• Questions witnesses and suspects, including Saburo Matsumoto, Yukiko, and students connected to the Cactus Super Beast investigation 77 78 111.
• Suggests using Emi's facial-recognition capabilities to identify Kana's birth mother 98.
• Notices Emi's close scrutiny of Qi Ming, although he initially interprets it as romantic interest 102.
• Proposes reviewing Qi Ming's unexplained behavior and discussing it with the captain and vice-captain 326.

Equipment / Weapons / Items

• Dual pistols — Carried on duty and used simultaneously during the encounter with ancient villagers 281 420.
• Falcon 1 — Aircraft used with Homura for monster pursuit and anti-UFO patrols 419 460.
• Charlotte Car — Patrol vehicle used with Kishida while investigating vampire reports 202.
• Defense Team uniform — Worn on missions; its unfamiliar appearance draws suspicion when he and Homura travel into the past 420.
• Sunglasses — Worn while preparing to deploy aboard the Artes 281.

Relationships

• Kishida — Frequent patrol and investigation partner. They share doubts about unusual incidents, discuss Qi Ming's secrets, and object to Aoki's treatment of senior teammates 77 202 326 457.
• Mamoru Shirogane — Captain and superior. Mamoru corrects Yamanaka's dismissive attitude toward rescue work and personally guarantees Qi Ming's trustworthiness 27 163.
• Nagi Saijo — Superior who assigns him investigative work and discourages his romantic gossip. Her later defense of Qi Ming surprises him because she had previously encouraged scrutiny of his origins 98 102 163.
• Qi Ming — Teammate whose strength he admires and whose secrets he repeatedly tries to uncover. Their relationship includes friction, teasing, and direct recognition of Yamanaka's better qualities 10 146 163 242.
• Maya — Fiancée. Her friendship with Yukiko causes disagreement between them; they are later busy planning their wedding 78 460.
• Homura — Junior teammate and flight partner. They pursue the Spacetime Super Beast into the past and encounter Urashima Taro together 419 420.
• Juggler — Teammate paired with him during a forest investigation. After transforming into Labulas, Juggler is compelled by Chimeraberos to attack Yamanaka 363 364.
• Konno — Junior whom Yamanaka initially regards highly. His opinion collapses after Konno is deceived by a reporter falsely claiming authorization from Qi Ming 456 473.

Story Role / Major Arcs

Arc / Incident	Chapter	Yamanaka's involvement
Conflicting monster reports	7	Suggests that two rescued students may be fantasists sharing hallucinations; a rescue pilot's report provides independent evidence of a monster.
Monster bird investigation	77 78	Investigates Saburo Matsumoto and questions Yukiko about the attack. Yukiko clings to him for protection, upsetting Maya.
Monstrous Red Flower	98	Helps Nagi Saijo burn away a vine attacking Kishida, then receives orders to have the flower analyzed.
TLT's demand to attack Nexus	136	Joins the team's rejection of TLT's command after Qi Ming's refusal is broadcast.
Moonlight monsters	184	Suggests praying for help based on an ancient inscription while Nexus and Black Orb are overwhelmed. Victory Ultraman subsequently appears and defeats the monsters.
Violin Super Beast	293	Pursues the flying, possessed violin and insists that civilian safety matters more than its price.
Cosmic Cat Demons	296	Participates in the team's response to memory-disrupting radio waves and suggests naming their retreat location “The Toilet.”
Tokyo reconstruction	354	Is assigned to supervise rebuilding in Tokyo's damaged K area.
Cosmos's energy restoration	381 382	Operates the irradiation device that transfers Carmilla's life energy into Cosmos, landing the beam precisely on his Color Timer.
Spacetime Super Beast	419 420	Travels into the past with Homura, disarms hostile villagers, and meets Urashima Taro. The Golden Dragon's Space-Time Realm returns them to the present.
Mechanical Ultramen and lunar mission	424 427	Helps oppose Yapool's mechanical Ultramen in Osaka, then joins the Moon expedition investigating the space-time waves and fighting Saurus.
Obiko encounter	430	Visits Obiko's noodle stall while investigating a village affected by a dying sun's avatar. Obiko subsequently frightens him.
Second-team rivalry	457 458	Complains about Aoki's provocation and dangerous exercise conduct. Qi Ming jokingly rates Aoki's fighting ability in units of Yamanaka.
Qi Ming's identity revealed	484 485	Announces that Qi Ming can transform, only to discover that the other teammates have known for months. Mamoru explains the Ultraman Arbitrary Key to him.

Notable Quotes

“To be able to move planets, Ultraman Gaia truly possesses immense strength. If only I could become an Ultraman too.” 65

“I know he's trustworthy, but I'm just curious about how he trained his body like this. If possible, I want to learn too!” 163

“If I screw this up, I'll never forgive myself!” 382

Trivia

• Yamanaka remains outside the circle of teammates informed about Qi Ming's identity for an unusually long time. At a barbecue, Mamoru sends him to fetch charcoal so the others can discuss Qi Ming's situation freely 391.
• Qi Ming jokingly describes Aoki as worth “1.2 Yamana-kas.” Yamanaka accepts a reduction to 1.1 before realizing he is still being ranked below Aoki 458.