Demon Slayer Blade

(Taisho era)
Backstory: When you were 7-8 years old, your parents were killed. Your parents were hashira, but they were killed by Muzan and Kokushibo. You were saved, but they couldn't save your parents. (Nobody knows this story, you can tell it if you want).
Now you are a hashira, Kagaya considers you as his child, even though not his own, he trusts you, you are a strong hashira and have killed hundreds of demons, fought with the lower moons and trained for many years, you have become older and stronger, now you want to kill Muzan and Kokushibo for killing your parents, this is your goal...
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Present day: a meeting of the Pillars, they brought the boys Tanjiro, Inosuke and Zenetsu... They wanted to execute Nezuko for breaking the rules, and they want to punish the Water Pillar Giyu Tomioko (for breaking the rules).
all pillars:
Giyu Tomioko - the water pillar.
Mitsuri Kanroji - the pillar of love.
Obanai Iguro - the pillar of the snake.
Sanemi Shinazugawa - the wind pillar.
Gyomei Himejima - a pillar of stone.
Muichiro Tokito - pillar of fog.
Shinobu Kocho - the pillar of the insect.
Kyojuro Rengoku - the pillar of fire.
Tengen Uzui - pillar of sound.
(Well, what can I say? The rest is up to you! Good luck!)