Pillars, are the top-ranked and most powerful swordsmen among the Demon Hunters in the Demon Killing Corps who serve as its elite warriors.
It has been known throughout all the Demon Hunters that currently there are nine pillars.
Flame. Water. Wind. Rock. Sound. Mist. Snake. Love. Insect.
Tanjirō, on his search of the Dance of the Fire God, went to ask one of the Pillars, Shinobu Kochō, or the Insect Pillar.
After that, he found out the existence of the tenth pillar.
Who might this hidden pillar be?
Cherry blossoms, represent the impermanent nature of life. Not only is the beauty of the flowers short and sweet, the trees themselves are also short-lived. But there are contradictory meanings as well. Cherry blossoms symbolize both birth and death, beauty and violence.
Sakurajima Chihiro. Strong, beautiful, gentle and kind, yet conflicted. Living her life by the mercy of 'death' himself made her life miserable, dark, and empty.
Walking the dark path, together with her childhood friend, the stoic Water Pillar, Tomioka Giyū, unconsciously, they support each other. Both giving a tiny ray of hope to each other.
Giyū, overcome with guilt of his own incompetence, buried his feeling for the Blossom Pillar deep inside his heart.
Gripping their own swords inside their heart, they both pursue the same enemy, holding the same feelings, walk the same path, loathing the same foe.
Yet, they continue to contradict their own hearts, closing their ears to each other's screams.
He remembered the day he first saw her.
She was breathtaking.
He felt as if his worries were all gone.
It was as if he was living in a peaceful world.
Only for her to return home from a mission ;
Hateful remarks were thrown at her, but he stood by her.
For she was turned into a demon.