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SA WARNING! This article contains information from the web novel.
Do not proceed unless you want to be spoiled.


Koichi Yaegashi (八重樫やえがしいち, Yaegashi Koichi?) is Shizuku's father, as well as an instructor at his family's dojo.

Appearance[]

Koichi is a handsome middle-aged man with a gash on his cheek.

Personality[]

Koichi is typically well-composed ands soft-spoken, but cares very much for his family, and the disciples of his dojo.

However, he has a huge interest in weapons and combat techniques, and will become very enthusiastic when he is presented with either category.

Chronology[]

Relationships[]

Kirino Yaegashi[]

Koichi and his wife love each other, and apparently have a very active nightlife. However, Koichi once considered calling off their wedding in order to travel the world and fulfill his hobby of collecting various firearms, which would have been difficult in Japan due to its strict gun laws.

Shizuku Yaegashi[]

Koichi loves her daughter very much. He regrets forcing her to train in their family's art of swordsmanship for so long, and thus discouraging her from being able to express her true self.

Hajime Nagumo[]

Koichi is grateful to Hajime for looking after Shizuku, but will occasionally join the rest of his family in expressing their animosity at him for marrying her through the use of sneak attacks.

When Koichi accompanies Hajime and his family to Tortus during their winter holiday, he never once condemned Hajime for the morally objectionable things he had done in his journey to find a way back to Earth while also expressing sincere gratitude for every time he had saved Shizuku, Kaori, Kouki along with the rest of the summoned classmates. By the time he had seen the recordings of what transpired in the "Frost Caverns of Schnee" he had come to fully accept Hajime as Shizuku's lover/fiancee/husband. He also tried to bring Hajime in to become the Ninja Master of the Yaegeshi family by making various offers to him until he was forced to give up by Hajime's repeated refusals to the offers.

Powers & Abilities[]

Physical Abilities[]

  • Expert Combatant - As a member of his family's dojo, Koichi is highly skilled in many forms of combat.
  • Master Swordsman - Koichi has spent much of his life training in the art of swordsmanship.

Combat Styles & Techniques[]

  • Yaegashi Style - A style of samurai martial arts has been developed by the Yaegashi Dojo that had been around for generations. Though its primarily focused on Kenjutsu, more suitable for weapons like a katana, but it also has iaijutsu techniques, which utilizes the scabbard and also taijutsu techniques, which employs hand-to-hand combat.

Weapons & Equipment[]

  • Sword - His primary weapon.
  • Armored Suit - Koichi and the rest of his family were each given a suit of armor that was made by Hajime.[2]

Quotes[]

Etymology[]

  • The name "Koichi" means "peaceful" (, ko?) and "one" (, ichi?).
  • Koichi's surname "Yaegashi" means "eight" (, ya?), "multilayered" (, e?) and "evergreen oak, (kokuji)" (, gashi/kashi?).

Trivia[]

  • Koichi is a huge fan of Hollywood action movies (especially those with fights scenes involving guns).[3]
  • Koichi has a hunting license, as well as a permit for a hunting rifle.[4]

References[]

  1. Web Novel - Chapter 431
  2. Web Novel - Chapter 388
  3. Web Novel - Chapter 445
  4. Web Novel - Chapter 446
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