Demon Slayer Manga Chapter 51

On the mansion roof at night, the always smiling Shinobu finally shows Tanjiro her anger. Demon Slayer Chapter 51 reveals why: her beloved older sister Kanae, the kindest of slayers, was killed by a demon, and Shinobu has carried a furnace of rage behind her gentle expression ever since.

She admits she is tired of being angry, yet cannot stop, and Tanjiro’s nose tells her the truth before her words do. His honesty steadies her. She entrusts him with Kanao’s future and returns to her research, while below, the three boys finish the last of their rehabilitation in bursts of gourd shattering noise.