In Taisho-era Japan, kindhearted Tanjiro Kamado makes a living selling charcoal. But his peaceful life is shattered when a demon slaughters his entire family. His little sister Nezuko is the only survivor, but she has been transformed into a demon herself! Tanjiro sets out on a dangerous journey to find a way to return his sister to normal and destroy the demon who ruined his life.

Their initial confrontation with Kokushibo, the most powerful of Muzan's demons, has left Tokito severely wounded and Genya cut in half--but still alive! Can his regenerative power heal even this fatal wound? The Hashira Himejima and Sanemi square off with Kokushibo and unleash all the skill they have against him. Himejima is blind, but if he can see into the Transparent World he might have a chance. Who will survive this whirlwind of flashing blades?