Demon Slayer: Kimetsu no Yaiba (鬼滅の刃) is a Japanese manga series written and illustrated by Koyoharu Gotouge. There are three seasons anime tevlevision series strated from April 2019.
Setting: The story takes place in the Taishō era Japan, where a secret organization, known as the Demon Slayer Corps, has waged a longtime war against demons for centuries. These demons are former humans who possess supernatural abilities such as super strength, rapid regeneration, and unique powers referred to as "Blood Demon Art." Demons can only be killed if they are decapitated with weapons crafted from a rare alloy called Nichirin, injected with a poison extracted from wisteria flowers, or exposed to direct sunlight. In contrast, the Demon Slayers are entirely human but employ specialized elemental breathing techniques known as "Breathing Styles." These techniques grant them superhuman strength and increased resilience, enabling them to fight demons effectively. The most formidable Demon Slayers hold the title of "Hashira", and gain this rank, through killing a member of the Twelve Kizuki, a group comprising the twelve strongest demons of their kind, or killing fifty demons through multiple advancements in their rank.
Plot: Tanjiro Kamado is a kind-hearted and intelligent boy who lives with his family in the mountains. After his father's death, he became his family's breadwinner, traveling to the nearby village to sell charcoal. One day, he came home and discovers his family was attacked and slaughtered by a demon. His sister Nezuko, the sole survivor of the incident, has been transformed into a demon, but still surprisingly shows signs of human emotion and thought. After an encounter with Giyu Tomioka, the Water Hashira of the Demon Slayer Corps, Tanjiro is recruited by Giyu and sent to his retired master Sakonji Urokodaki
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