Demon Slayer: Kimetsu no Yaiba - Season 1 - Eps 1: Cruelty
It is the Taisho Period (i.e. 1912-1926). Tanjiro Kamado is living a modest but blissful life in the mountains with his family. One day, when he returns from selling charcoal in town, he finds the remains of his slaughtered family in pools of blood after a demon attack. Tanjiro rushes down the snowy mountain with the sole survivor, his sister Nezuko, on his back. But on the way, Nezuko suddenly snarls, turning on Tanjiro.
About Demon Slayer: Kimetsu no Yaiba

Title: Demon Slayer: Kimetsu no Yaiba
First Air Date: 2019-04-06
Last Air Date: 2024-06-30
Status: Ended
Rating: 8.653/10 (from 6600 votes)
Language: JA
Seasons: 6
Total Episodes: 63
Network: Fuji TV Gunma TV Tokyo MX BS11 Tokai Television Broadcasting Kansai TV Tochigi TV Fukui TV Hokkaido Cultural Broadcasting Iwate Menkoi Television TOS Sendai Television SAGA TV Ishikawa TV TNC OHK Kochi Sun Sun Broadcasting Television Shin Hiroshima System TV Shizuoka UMK TV Miyazaki NST NBS Sakuranbo TV TSK Ehime Broadcasting KTS Fukushima TV NIB AKT Toyama Television TV Kumamoto Okinawa Television Broadcasting
Genres: Animation, Action & Adventure, Sci-Fi & Fantasy
Production Companies: ufotable, Aniplex, Shueisha
Synopsis
It is the Taisho Period in Japan. Tanjiro, a kindhearted boy who sells charcoal for a living, finds his family slaughtered by a demon. To make matters worse, his younger sister Nezuko, the sole survivor, has been transformed into a demon herself. Though devastated by this grim reality, Tanjiro resolves to become a “demon slayer” so that he can turn his sister back into a human, and kill the demon that massacred his family.
Cast

Natsuki Hanae
Tanjiro Kamado (voice)

Akari Kito
Nezuko Kamado (voice)

Hiro Shimono
Zenitsu Agatsuma (voice)

Yoshitsugu Matsuoka
Inosuke Hashibira (voice)

Nobuhiko Okamoto
Genya Shinazugawa (voice)

Takahiro Sakurai
Giyu Tomioka (voice)