Kōji is a small demon from the Ice Tribe and the younger sister of Yusa. She looks like a mole and doesn’t have a real name yet because she hasn't reached adulthood. Kōji quickly stands out due to her unique abilities, like making shaved ice using her own powers and caring a lot for Yurine Hanazono while having a rivalry with Jashin-chan. Despite her small size and cute look, she is quite powerful and has a funny personality, especially when dealing with the more eccentric characters around her.
Kōji is about 80 cm tall.
She is not an adult, so she has a mole-like appearance.
Her face looks very simple and not human-like.
In the game, she looks like a nobleman from ancient Japan.
Once Ice Tribe demons become 15 years old (human age), they become adults and look more human.
Kōji is gentle and sincere, just like her sister Yusa.
She is friendly to everyone, including angels like Pekola.
She doesn’t talk in the anime, but she makes unique sounds like "Fuyu~".
Although she can communicate well, she stays calm and collected.
Kōji doesn’t care much about how often she appears in the story.
Kōji is part of the Ice Tribe, a group of demons with ice powers.
She is Yusa’s younger sister.
Because she’s not an adult, she doesn't have a real name.
Other characters usually call her “Ice-chan,” but some, like Jashin-chan, call her “Kōji,” a name suggested by Yurine Hanazono.
She shares her life with magic animals like Demon World Bambi.
Kōji can create shaved ice with her special powers.
Her blood is like strawberry syrup and her urine is like lemon syrup.
She can make any room cold and freeze targets just by blowing on them.
In the anime, Kōji and her sister can create and use the Ice Sword, which Jashin-chan thinks is extremely powerful.
She became even stronger than Jashin-chan after reaching level 50 in episode 170.
She can attack with ice and is immune to being frozen herself.
Kōji is very close to Yurine Hanazono and is always friendly to her.
She does not like Jashin-chan because Jashin-chan bullies her and gives her traumatic experiences.
She respects and gets along well with her big sister Yusa.
Kōji is friendly even to angels like Pekola and does not discriminate.
In the manga, her speech is often translated inside speech bubbles.
She is surprisingly sharp with her remarks, especially when Yusa or Jashin-chan act strange.
She does not speak words in the anime, only makes "Fuyu~" sounds.
Early Introduction and Appearance
Kōji has been part of the story since the early episodes.
Even though she is one of the old characters, she doesn’t mind not having many scenes.
Rivalry with Jashin-chan
Jashin-chan often bullies Kōji, causing Kōji to be wary and show resistance.
Despite this, Mei Tachibana, who is obsessed with Jashin-chan, finds Kōji to be "ugly-cute" and puts her in the same category as Jashin-chan.
Life in the Demon World
Sometimes Kōji is seen with Demon World Bambi, hinting they might be pets or friends.
Game Appearance
In the game "Friendly Savage Battle," Kōji and Yusa appear as one unit.
Kōji uses ice powers for attacks. Her special move is a blizzard that freezes all enemies, but she can’t be frozen.
She appears in the main quest from episode 2, fighting alongside Yusa.
Kōji’s name came from Yurine Hanazono, inspired by her sister Yusa.
Most characters call her "Ice-chan," though Jashin-chan insists on "Kōji."
Both names are seen in official materials.
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