Akutsu

Biodata

Feature	Details
Name	Akutsu Jin (Akutsu; original: 亚久津)
Alias(es)	“The Fourth Person of Hyotei”; “the great Akutsu” 92 248
Gender	Male
Affiliation	Hyotei Academy Tennis Club; Japan team 23 201
Occupation/Role	Tennis player; Hyotei regular
Status	Active
First Appearance	Chapter 5

Power Progression

Stage / Realm / Level	Chapter	Notes
Wildness awakened	125	His instinctual “wildness” first manifests as a beast-like aura during a doubles match with Oshitari.
National level	162	An improved Wildness state elevates him to national-level strength; daily sparring with Atobe is credited for his rapid progress.
Eighth Sense — Nihilistic Consciousness	276	Awakens the Eighth Sense, allowing multiple attacking states and making him a world-class player.
Eighth Sense — Alaya-Vijnana	393	Nihilistic Consciousness reaches its final stage during his match with Tezuka; the power comes at a severe cost to stamina and life force.

Background

Akutsu grew up in financial hardship after his father abandoned the family and left debts behind. His mother, Akutsu Yuki, worked to raise him while repaying those debts. As a child, Akutsu extorted money from local delinquents to help make ends meet. 5 386

Before entering junior high school, he was already feared around Yamabuki for his violence, intimidating presence, and exceptional athletic talent. Coach Bandou regarded him as a once-in-a-decade talent whose future could rival Kannagi Shinichi’s if he committed to tennis. 5

After hearing of Kannagi’s claim that he would create his own era, Akutsu decided that no one in Tokyo could be more arrogant than him and sought Kannagi out. Their first encounter ended without a match, but Akutsu later confronted Kannagi on a court, where he was unable to return Kannagi’s Dragon’s Roar. After attacking Kannagi in frustration and being decisively put down, Akutsu asked him to teach him tennis. 20 21

Kannagi arranged Akutsu’s enrollment at Hyotei, while Sakaki Taro covered his tuition. Akutsu’s first practice immediately revealed extraordinary physical talent and national-level potential. 22

Appearance

Akutsu is a pale, muscular boy with mushroom-shaped white-gray hair and dangerous, rebellious eyes. 20 23

• His physique is notably well-developed for his age. 23
• His gaze and expression are frequently described as threatening or defiant. 5 20
• In Alaya-Vijnana, his face becomes ferocious, tattoo-like veins appear across it, and his light-golden eyes turn crimson. 393

Personality

Akutsu begins as violent, domineering, and fiercely arrogant. He sees challenges as opportunities to crush opponents and reacts badly to anyone who questions him. 5 20 21 His aggression carries onto the court, where he is willing to target opponents physically when he believes Hyotei or his teammates are threatened. 153

Despite this, Akutsu responds strongly to genuine strength and guidance. Losing to Kannagi makes him reconsider his path, and he gradually becomes more disciplined, adaptive, and serious about tennis. 21 33 108 He is fiercely ambitious, training beyond his limits because he intends to surpass Kannagi. 248 379

His concern for Yuki is often hidden behind a harsh manner. His improved attitude toward her and his decision to sign with the Atobe Financial Group show his desire to change his family’s circumstances. 22 386

Abilities & Skills

Exceptional Physical Talent

Akutsu’s greatest asset is his extraordinary body: explosive power, speed, jumping ability, flexibility, and reaction time. His athletic ability lets him reach and return balls from unconventional positions. 32 390

• His physical condition is considered comparable to, or better than, some high school players despite his junior-high age. 274
• His Wildness-enhanced reaction speed and explosiveness allow him to evade and counter direct attacks. 248
• He underwent extreme training at the U-14 camp, including late-night ten-ball duels with Oni Juro. 248
• His physical talent is described as the pinnacle among Japanese junior-high players, with only Toyama Kintaro considered comparable. 390

Leopard’s Cry

Akutsu’s signature power serve, delivered with overwhelming speed and force. 92

• Removing his wrist weights makes the serve even faster. 92
• It is powerful enough to score directly and carry Hyotei’s offense in doubles. 162
• He uses it to dominate opponents such as Wakato Hiroshi and Mizuki. 108 438

Spinning Smash

A smash that changes the ball’s direction in mid-air. 92

• First used in his victory over Oshitari, which secured his position as Hyotei’s fourth-strongest player. 92
• Can be used as a powerful return rather than only as an overhead finish. 203

Wildness

A beast-like state born from Akutsu’s instinctive desire to become stronger. 125

• Greatly improves his speed, strength, explosive power, and court coverage. 162 331
• Initially has a limited duration and heavily drains his stamina. 162
• Lets him overwhelm doubles pairs even after they enter Synchronization. 442

Eighth Sense: Nihilistic Consciousness

Akutsu’s Eighth Sense generates multiple ball shadows and changes his tennis from a single-attack style into varied offensive states. 276

• Its phantom-ball attacks are difficult to distinguish from the real shot. 381
• Combined with Wildness, it raises his strength, speed, senses, and explosive power comprehensively. 332
• It cannot be maintained indefinitely due to its intense stamina consumption. 331 392

Eighth Sense: Alaya-Vijnana

The final stage of Akutsu’s Eighth Sense, awakened against Tezuka. 393

• Dramatically strengthens his already formidable Wildness and Eighth Sense abilities. 393
• Its current duration is limited to roughly two games. 468
• The state consumes substantial stamina and life force. 393

Light Shot

A destructive, golden shot taught to Akutsu by Oni Juro. 274

• Its power can destroy parts of the court structure. 273
• Akutsu can perform it from unstable or unconventional hitting positions due to his physical ability. 378
• He combines it with Nihilistic Consciousness to create multiple destructive shot shadows. 468

Equipment / Items

• Wrist weights — Akutsu trains while wearing wrist weights heavier than those used by most Hyotei regulars. 92
• Atobe Financial Group contract — Signed a contract worth ¥20 million annually after helping Japan win the World Cup, securing future support for a professional tennis career. 386

Relationships

• Kannagi Shinichi — Initially targeted Kannagi over his perceived arrogance; later becomes his student, teammate, and determined rival. Akutsu repeatedly challenges him in pursuit of surpassing him. 20 21 393
• Akutsu Yuki — His mother. Akutsu’s early delinquency was partly driven by their family’s financial struggles; their relationship improves after he commits to tennis. 22 386
• Sakaki Taro — Hyotei’s advisor, who supports Akutsu’s enrollment and later helps explain the Atobe Financial Group contract to him and Yuki. 22 386
• Atobe Keigo — Hyotei teammate, frequent sparring partner, and doubles partner. Their daily matches help Akutsu reach the national level. 162 331
• Oshitari Yuushi — Regular doubles partner. Oshitari supports Akutsu’s offense while Akutsu gradually learns to coordinate with a teammate. 125 162
• Sanada Genichiro — A highly compatible doubles partner against the U-17 First String and later a major singles rival. 247 540
• Tezuka Kunimitsu — Rival whose evolution pushes Akutsu to awaken Alaya-Vijnana; Akutsu wins their U-14 ranking match 2–0. 393 407
• Oni Juro — Mentor who taught Akutsu the Light Shot and witnessed his relentless training. 248 274

Story Role / Major Arcs

• Recruitment to Hyotei — Transitions from a feared delinquent to Kannagi’s tennis student and a Hyotei player. 21 22
• Hyotei regular selection — Defeats Akutagawa Jirou 6–3 after adapting to Jirou’s unusual wrist technique. 33
• Rise within Hyotei — Defeats Oshitari 6–4 with the Spinning Smash, becoming Hyotei’s fourth-strongest player. 92
• National Tournament — Defeats Wakato Hiroshi 6–0, 6–0 without conceding a point, displaying far greater emotional control and strategy. 108
• National-level breakthrough — Activates an improved Wildness in doubles with Oshitari and reaches national-level strength. 162
• U-17 training camp — Partners with Sanada to defeat First String players Kimijima and Tono 6–0, 6–0, claiming Tono’s No. 10 badge. 249
• World stage — Awakens Nihilistic Consciousness during Japan’s international matches and is recognized as a world-class player. 276
• World Cup campaign — His continual training and challenges against teammates lead to a dominant 6–0 first set against a German opponent. 379
• U-14 ranking match — Evolves to Alaya-Vijnana and defeats Tezuka 2–0 before declaring a ranking-match challenge against Kannagi. 393 407
• Later Kanto competitions — Easily defeats Mizuki in eight minutes and overwhelms Synchronization alongside Oshitari. 439 442

Notable Quotes

“In Tokyo, no one gets to be more arrogant than me, Akutsu.” 5

“I, Akutsu, am here to beat Synchronization today!” 442

“That’s why I plan to defeat our opponents in the first two sets.” 331

Trivia

• Akutsu’s early extortion of delinquents was connected to his family’s financial hardship rather than simple greed. 386
• He considers tennis the force that changed his destiny and gave his family a new beginning. 386
• He wears significantly heavier wrist weights than other Hyotei regulars during training. 92