Haganezuka is Hotaru Haganezuka, a supporting character from the anime and manga series Demon Slayer: Kimetsu no Yaiba. He is a swordsmith for the Demon Slayer Corps, known for his extreme dedication to his craft and his short temper, especially when his swords are broken. He is a key figure in the Swordsmith Village Arc, where his intense focus on his work becomes crucial to the plot.

Key characteristics

Swordsmith: He is a highly skilled swordsmith who creates the Nichirin swords for the Demon Slayer Corps.

Short temper: He is easily enraged when his swords are damaged, often reacting with comical and violent outbursts.

Dedication: His passion for swords is so strong that he can become completely absorbed in his work, sometimes to the point of ignoring his surroundings, even when in danger.

Personality: He is hot-blooded and can be eccentric and asocial, but he is also fiercely dedicated to his craft.

Role in the story: While initially a comedic relief character, he becomes a central figure in the Swordsmith Village Arc, where his skills and dedication are vital to the survival of the Demon Slayers.