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Rantaro Kiyama

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Rantaro Kiyama (黄山 乱太郎, Kiyama Rantaro), also known as The Boss (クミチョー, Kumicho) in the Japanese version and The Head Honcho or Honcho for short in the English version, is a character featured in the anime and manga series, Beyblade Burst. He is a member of the Bey Club at his school. He currently battles with his Beyblade, Roktavor R2 Gravity Revolve.


Rantaro is tall, comparative to his age, and has blond hair and brown eyes (since his hair color does not match that of his eyebrows, as it does for the other characters in the show, it is implied that his styled hair is in fact dyed). He is usually seen wearing a black gakuran jacket with a red sleeveless shirt underneath. His matching gakuran trousers are kept up using a rope and he keeps comic books around his waistband (In the manga, these are specifically CoroCoro comics). He wears a bandaid on the bridge of his nose and he is almost always seen with a lollipop in his mouth.


Rantaro is highly self-confident, often referring to himself as Kumicho ("The Boss") and is good at sneaking things in and out of their school's strict regulations. He can be quite simple-minded and clueless, and is shown to not be very insightful at times (such as when he was unable to tell that Valt was upset over Shu's shoulder injury and when Ken was feeling lonely at Xhaka's grandpa's dojo). Despite this, he is honest and has a strong sense of justice.

Rantaro has many similar personality traits to Valt Aoi. Being naturally honest, he displays many of his emotions openly, whether it be happiness, anger, sadness or joy. He is often mistaken to be violent or thugish due to his choice of attire, but he is actually a good guy all around. However, one emotion he has a hard time admitting is that he actually loves Valt and is just scared to show it. Often times, he is the first to encourage his teammates to do well before a battle and provide moral support whenever they are feeling down. In addition, he is shown to get along very well with younger children.


Beyblade Burst (anime)

Rantaro was introduced in Let's Go! Valtryek!!, where he is first seen at the start of a battle against Valt Aoi. He won the battle against Valt without commanding his Beyblade once, as Valt's bad launches caused self-knockouts. He was then forced to clean up the mess caused by Valt's Valtryek V2 Boost Variable by the School Principal.

He later registered for the local tournament and faced Valt once again in the first round of the tournament. Despite winning the first battle with a Stadium Out and earning a point, Rantaro lost the second round due to a Burst Finish, resulting in Valt's overall victory. He complimented Valt on his performance afterwards.

Beyblade Burst (manga)

Rantaro Kiyama debuts in the first chapter as the first person ever to be challenged by Valt Aoi. However, their first battle ended up in disaster as Valt's wrong launch broke the statue of the school's founder. As a result, both Rantaro and Valt were punished by their teacher.


Special Moves


Beyblade Burst (anime)
Opponent Episode Result
Valt Aoi 01 Win (2-0)
Valt Aoi 01 Lose (2-1)
Valt Aoi 02 Win (2-0)
Valt Aoi 04 Lose (0-2)
Valt Aoi 07 Win (2-0)
Valt Aoi 14 Win
Kaiza Xhakuenji 17 Lose (0-2)
Ibuki Ukyo 19 Lose (1-2)
Valt Aoi 22 Unknown
Halt Aota 23 Win
Daigo Kurogami 23 Unknown
Hoji Konda 24 Unknown
Valt Aoi 24 Lose (1-3)
Valt Aoi 25 Lose (0-2)
Valt Aoi 27 Win
Wakiya Murasaki 27 Win (2-0)
Ken Midori 34 Lose (0-1)
Kyo Sandai 37 Win (1-0)


  • Rantaro's family name, Kiyama, includes the name of a colour, similar to Valt Aoi and Shu Kurenai, who have "Blue" and "Crimson" in their names respectively. Specifically, his colour is yellow.
  • Rantaro's first name and his bey, Roktavor R2 share the same initials, and hints the letter R in the center of the bey



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