Shinzo Yozakura is the third child and second son in the Yozakura family. He stands out with his massive build and green hair and is known as a top-class spy and weapon expert. Despite his strength, he has a timid side and relies on his weapons for security. He cares deeply for his family and is known for both his gentle heart and fearsome anger. Shinzo’s signature “Blooming” ability allows him to destroy almost anything, and he often surprises friends and enemies with his unique fighting style.
Shinzo is a tall, well-built young man with green hair.
He stands at 193 cm.
His looks match his muscled body, making him the biggest sibling.
Shinzo is usually very timid and has a cowardly side, especially when he doesn’t have his weapons around.
He is so nervous that he once hid in a trash-can tank named “No. 3”.
Often, Shinzo can’t make decisions quickly and tends to regret his choices.
Even his younger sister Shion teases him about how scared he gets.
Despite his nerves, he is very kind and serious, especially when it comes to family.
He can get really strict if anyone in the family causes trouble or crosses a line.
Shinzo is especially close to Taiyo Asano and Mutsumi Yozakura and is protective of them.
He is also fiercely loyal and has a scary side when he is angry, making others tread carefully around him.
Shinzo was born on March 3rd.
He is 19 years old at the start of the story, 20 years old during the “Yozakura Hundred Arc,” and 25 years old five years later.
His blood type is O.
Since he was little, Shinzo has loved weapons. He even used a bullet as a pacifier when sleeping.
By age ten, he used rifles, and now he uses a pillow made of handmade bullets.
His room is connected directly to the family weapon storage.
He can only fall asleep when counting things like the number of bullets in his guns.
The story of “Momotaro” helps him relax, too.
He grew up turning ordinary things (like forks) into powerful weapons, but if someone takes something more important to him hostage, he’ll give up his weapon right away.
Shinzo is a weapons expert, able to use almost anything as a powerful weapon.
He teaches Taiyo how to fight and is the only one who can handle several weapons in his “No. 3” trash tank.
His special metal, “Ukon,” can transform into different weapons, such as hammers, blades, shields, whips, and more.
He can turn forks into sniper weapons.
He is also hooked on military hardware—he once bought an ICBM because he thought it looked cool.
Shinzo’s “Blooming” ability is known as “Destruction,” letting him destroy almost anything.
When unarmed, he becomes cowardly, but he is trying to get used to it.
Special Moves
- Hundred Eight Bells: Hammer attack with “Ukon.”
- Ame-no-Habakiri: “Ukon” changes into scissors to cut things apart.
- Shinzo’s Shield: Turns “Ukon” into a cape for protection.
- Rock Pierce: Smashes “Ukon” into the ground for escape or attack.
- Seven Blades Judgment: Transforms “Ukon” into many weapons for a big attack.
- Diamond Split: Turns “Ukon” into a sword for a strong strike.
- Great Serpent Wheel: Stretches “Ukon” like a whip to grab targets.
- Thunder Blossom: Calculates bullet ricochets for a multi-shot attack.
- New Leaves Wind: Uses speed and knife work to take down many enemies at once.
- Shinzo’s Cage: “Ukon” traps enemies, although it does not always work perfectly.
Shinzo values his family more than anything.
He is kind, caring, and sometimes strict with his siblings, especially when they mess around too much.
He gets very angry if anyone tries to hurt his loved ones.
His relationships with Taiyo Asano and Mutsumi Yozakura are especially strong.
Shinzo is the one who trains Taiyo with weapons and fighting skills.
He helped build the “Alpha Watch” with Kyoichiro Yozakura for their nephew Alpha Yozakura, and he worries about Alpha’s safety.
- His hobbies are weightlifting and camping.
- He likes milk and soy milk.
- He dislikes bugs, blood, raw eggs, rude people, loud people, and Futaba Yozakura when she’s drunk.
- When watching movies, he prefers cute animal stories over violent or military films.
- The author even made a model of “Ukon” for fun and featured it in a book cover.
- On Taiyo Asano and Mutsumi Yozakura’s wedding anniversary, Shinzo made fireworks with a lot of gunpowder but was stopped from lighting them.
- Shinzo once got in trouble for buying weapons for fun.
"Even if I am like this, I am still your… big brother, okay…?"
Family and Personal Growth
Shinzo starts by always hiding in his tank, scared and unsure of himself.
He tries to change this over time and practices being brave even without his weapons.
He deeply cares for his family and shows them love, but also becomes very strict when needed.
Silver Spy Test
During Taiyo’s Silver Spy promotion test, Shinzo is the examiner for the first stage.
At first, Shinzo easily overpowers Taiyo because Taiyo hesitates to fight.
But after Taiyo fights seriously, the match becomes even.
Taiyo uses clever teamwork, but Shinzo still holds his ground.
When Taiyo survives one of Shinzo’s strongest attacks, Shinzo starts to worry about hurting him, giving Taiyo the opening to win the test.
Battle with Nohmen
Working with Taiyo, Shinzo uses his custom weapon, “Spring Thunder,” to defeat Nohmen.
Combat at Shirahone Island
From the White Bone Island battle and onwards, Shinzo starts using the shapeshifting metal “Ukon,” allowing him to use many new forms of attacks.
Five Years Later
Five years later, Shinzo is caught by Alexander Ryuu, who wants to marry off his own daughter to Shinzo.
Because of this, he arrives later than his siblings when they regroup.
Shinzo now wears a black bandana but keeps his hairstyle.
Working with Kyoichiro Yozakura, he helps create the “Alpha Watch” for Alpha Yozakura and worries about Alpha using it in ways that might be dangerous.
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