Hoshiko Mimori

(Non-cannon)

**Hoshiko Mimori** (参 (み) 森 (もり)  星 (ほし) 子 (こ) , *Mimori Hoshiko*?) is a Demon Slayer and the Cosmic Hashira (陸 (りく) 合 (ごう) 柱 (ばしら) , *Rikugō Bashira*?) of the Demon Slayer Corps.

## Appearance

Hoshiko is a young girl with a petite and thin build. She has long dark denim blue hair that fades to light blue reaching past her shoulders with a large pony tail on the back of her head with many star and crescent moon pins. She has large vibrant blue colored eyes with a light blue sparkle as her pupils, along with a single white feather that fades to blue as an earring on her left ear.

Hoshiko wears a gray-tinted version of the standard Demon Slayer uniform, with white buttons and a short pleated skirt. Over this, she wears a dark haze purple colored haori that fades to lavender and pale cornflower blue with a night sky as its pattern, consisting of varying star sizes and constellations. As well as this, she wears black boots with darker buckles.

During the second fight against Muzan himself, Hoshiko received a large slanted scar throughout her back and and lost her right leg from the upper thigh down.

## Personality

Hoshiko is always seen as a curious and bubbly person. She is always asking either Important or Stupid questions which may irritate some people. Despite being so, she has been shown being incredibly livid and feels no remorse towards Demons. She won't hesitate to painfully execute them, as seen when she tried to kill Tamayo when she first met her. She could've killed Tamayo if Tanjirō didn't stop her and explained that she is on the Demon Slayer Corp's side against Muzan Kibutsuji.

### Physical Abilities

* **Enhanced Physical Prowess:** As a member of the Hashira, Hoshiko's physique has been increased to superhuman levels through years of harsh training combined with the use of the **Total Concentration: Constant** (全 (ぜん) 集 (しゅう) 中 (ちゅう) ・常 (じょう) 中 (ちゅう) , *Zen Shūchū Jōchū*?). The members of the Hashira in general have incredible movement speed, all of them have displayed the capability to use blinding bursts of speed that make it seem like they teleported to even talented swordsman like Tanjirō Kamado.

### Supernatural Abilities

* **Demon Slayer Mark:** During the battle against Upper Rank One, Kokushibō, Hoshiko unconsciously awakened her Demon Slayer Mark against the Upper Rank.
	+ **Bright Red Nichirin Blade** (赫 (あか) く日 (にち) 輪 (りん) 刀 (とう) , *Akaku Nichirin Tō*?): During the battle against Kokushibo, Hoshiko along with Sanemi strike Gyōmei's spiked flail with their blades turning all of theirs crimson red. Against Muzan Kibutsuji and Kokushibō, Hoshiko managed to solely turn her Nichirin Blade crimson red due to a strong grip.
	+ **Transparent World** (透 (す) き通 (とお) る世 (せ) 界 (かい) , *Sukitōru Sekai*?): During the battle against Kokushibō, Hoshiko temporarily gained access to the "Transparent World". While being in this form, Hoshiko is able to see the bloodflow, joint movement and muscles of the Upper Rank. Against the Demon Lord, Muzan Kibutsuji, Hoshiko reentered the "Transparent World".

### Swordsmanship

* **Master Swordsman:** Being a Hashira of the Demon Slayer Corps, Hoshiko is one of the most powerful and skilled swordsmen in the entire organization. Kokushibō stated that despite her being a girl, her swordsmanship skills are much greater than most other Hashira he has fought in centuries.

**Cosmic Breathing** (陸 (りく) 合 (ごう) の呼 (こ) 吸 (きゅう) , *Rikugō no kokyū*?): A Breathing Style derived from the Moon Breathing developed by Hoshiko's Grandmother, Seiko Mimori.

1. **First Constellation: Stellar Undulations** (壹 (いち) ノ星 (せい) 座 (ざ)  星 (ほし) の畝 (うね) り, *Ichi no seiza: Hoshi no Uneri*?) - Hoshiko vertically slashes her opponent with a flame that radiates a purple, pink and blue hue.
2. **Second Constellation: Morning Star** (貳 (に) ノ星 (せい) 座 (ざ)  明 (みょう) 星 (じょう) , *Ni no seiza: Myōjō*?) - Hoshiko executes rotating slashes that defend her from incoming attacks.
3. **Third Constellation: Nebulae Slash** (參 (さん) ノ星 (せい) 座 (ざ)  星雲 (せいうん) 嶄 (ぎ) り, *San no seiza: Seiun Giri*?) - Hoshiko diagonally slashes the opponent with precision.
4. **Fourth Constellation: Flare Star Chaos** (肆 (し) ノ星 (せい) 座 (ざ)  照 (しょう) 明彈 (めいだん) 恆星 (こうせい) 混沌 (こんとん) , *Shi no seiza: Shōmei-dan Kōsei Konton*?) - Hoshiko consecutively performs 6 thrusting actions that target their opponents vital parts..
5. **Fifth Constellation: Low Hanging Skies, Starry End** (伍 (ご) ノ星 (せい) 座 (ざ)  低 (てい) ぶら下 (さ) げる空 (むなし) ・星 (ほし) 終 (お) わり, *Go no seiza: Tei-Burasageru Munashi - Hoshi Owari*?) - Hoshiko uses her speed to come in low and slashes upward.
6. **Sixth Constellation: Tranquil Fields, Final Stargaze** (陸 (ろく) ノ星 (せい) 座 (ざ)  靜 (しず) か埜 (ぬ) 原 (はら) ・最 (さい) 終 (しゅう) 的 (てき) 星 (ほし) 凝 (ぎょう) 視 (し) , *Roku no seiza: Shizuka Nuhara - Saishū-Teki Hoshigyōshi*?) - Hoshiko shallow cuts the opponent thus allowing their neurological activity to decrease.
7. **Seventh Constellation: Cosmic Trail** (漆 (しち) ノ星 (せい) 座 (ざ)  遠 (えん) 大 (だ) 餘波 (よは) , *Shichi no seiza: Endayoha*?) - Hoshiko twists and curves her slashes while her body dances like a flowing pattern with a winding motion.
8. **Eighth Constellation: Event Horizon** (捌 (はち) ノ星 (せい) 座 (ざ)  事 (じ) 象 (しょう) の地 (ち) 平線 (へいせん) , *Hachi no seiza: Jishō no Chiheisen*?) - Hoshiko slashes her sword laterally multiple times.
9. **Ninth Constellation: Intergalactic Forces, Equilibrium** (玖 (く) ノ星 (せい) 座 (ざ)  銀 (ぎん) 河 (が) 間 (かん) ・平 (へい) 衡 (こう) , *Ku no seiza: Ginga-kan - Heikō*?) - Hoshiko makes her blood flow throughout her body like the stars through the cosmos, dramatically increasing her strength, speed and vitality to its upmost limits.

## Battles

Hoshiko Mimori Battles

**Infinity Castle Arc**

* Demon Slayers vs Muzan Kibutsuji
* Sayaka Harada, Seiji Yukinari, Mai Yasuraoka, Hoshiko Mimori, Muichirō Tokitō, Toda Momiji, Genya Shinazugawa, Sanemi Shinazugawa and Gyōmei Himejima vs Kokushibō

**Sunrise Countdown Arc**

* Demon Slayers vs Muzan Kibutsuji and Kokushibō