Hobin Yoo

Original Name (Japanese): 유호빈 / 志村 光太
Romaji Name: Yoo Hobin / Shimura Kōta
Nicknames: N/A
Series: Viral Hit (Kenka Dokugaku)
Age: High School Student
Weight: 49 kg (Initially), Gains Muscle Mass During the Series
Height: 170 cm (5’7″)
Date of Birth: N/A
Blood Type: N/A


Hobin Yoo is a scrawny high school student who appears meek and unassuming. However, he has a strong-willed determination and an unconventional fighting style that allows him to overcome his physical limitations. Hobin is adaptable, resourceful, and willing to use any means necessary to achieve his goals, even if it means resorting to underhanded tactics.


Not much is known about Hobin’s background, but it is mentioned that he was bullied in the past because of his small stature and perceived weakness. This experience likely contributed to his development of a scrappy, survival-oriented mindset.

Advertisement anime casetify


Hobin is described as being smaller than the average Korean male, standing at 170cm (5’8″). He has a slender, somewhat frail build, which at first gives the impression that he is physically weak. However, Hobin’s appearance changes significantly as he trains and gains muscle mass.


Hobin’s greatest strength lies in his unorthodox fighting style and his ability to adapt to different situations. He may not be the strongest or the fastest, but he makes up for it with a variety of dirty tricks, including using the environment to his advantage and taking advantage of his opponents’ weaknesses. Hobin’s determination and resourcefulness are his greatest assets in battle.


Hobin Yoo is a character from the webtoon “Viral Hit”, also known as “How to Fight” or “Kenka Dokugaku” in Japan. He is the protagonist of the series, which follows his journey as he becomes an unexpected star on a popular “NewTube” channel that showcases his unconventional martial arts skills.

Hobin Yoo – FAQ

Here are 6 FAQs about Hobin Yoo from “Kenka Dokugaku”:

Who is Hobin Yoo?

Hobin Yoo is the main character of the manga series “Kenka Dokugaku”. He is a freshman in high school who becomes involved in a turf war between the various delinquent factions at his school. Despite his small stature, Hobin is a skilled fighter and forms an unlikely alliance with the school’s most notorious delinquent, Ryosuke Hayakawa.

Advertisement anime casetify

What is Hobin’s role in the story?

Hobin is the protagonist of “Kenka Dokugaku”. Though he initially tries to avoid trouble, he gradually becomes involved in the school’s violent conflicts. He forms a reluctant partnership with Ryosuke, using his intelligence and martial arts skills to navigate the school’s treacherous social dynamics. Hobin’s character arc involves his growing confidence and willingness to stand up for himself and his friends.

What are Hobin’s main personality traits?

Hobin is portrayed as intelligent, pragmatic, and level-headed, especially compared to the more impulsive delinquents around him. He tries to avoid conflict when possible, but is not afraid to fight when necessary. Hobin is also fiercely loyal to his friends and will go to great lengths to protect them. Despite his small size, he has a strong sense of justice and is willing to challenge authority figures when he believes they are in the wrong.

How will Hobin’s relationship with Ryosuke develop?

At first, Hobin and Ryosuke are adversaries, with Ryosuke trying to intimidate and provoke Hobin. However, they gradually come to respect each other’s abilities and form an unlikely partnership. Ryosuke sees Hobin’s potential and takes him under his wing, teaching him martial arts. In return, Hobin helps Ryosuke become more strategic and thoughtful in his approach to the school’s conflicts. Their relationship evolves from rivalry to close friendship.

What are Hobin’s main fighting skills?

Despite his small size, Hobin is a highly skilled fighter. He uses a mix of martial arts techniques, agility, and intelligence to defeat larger and stronger opponents. Hobin is able to quickly analyze a situation and identify his opponent’s weaknesses. He is also an expert at evasion and counterattack. While not the strongest character physically, Hobin’s speed, technique, and strategic mind make him a formidable fighter.

How does Hobin’s character develop throughout the series?

Over the course of “Kenka Dokugaku,” Hobin undergoes significant personal growth. He starts out as a shy loner trying to avoid trouble, but gradually becomes more confident and assertive. His experiences fighting alongside Ryosuke teach him to be bolder and to trust in his own abilities. Hobin also develops stronger bonds with his friends and becomes more willing to stand up for what he believes in, even against powerful enemies. By the end of the series, he has gone from being a passive bystander to a respected leader among his school’s delinquent groups.