Short answers, pulled from the story.
Koyoharu Gotouge submitted a draft titled Kimetsu no Yaiba to Weekly Shōnen Jump editor Tatsuhiko Katayama in 2015. The series officially began serialization on the 15th of February 2016 and ran until the 18th of May 2020.
Demons can only be killed if exposed to direct sunlight or decapitated with weapons crafted from an alloy known as Nichirin. Wisteria flower poison offers another method to neutralize these threats effectively.
By July 2025, the manga had over 220 million copies in circulation worldwide including digital versions. It became the best-selling manga of 2019 and 2020 according to Oricon records.
The animation studio Ufotable handled production for all television seasons and theatrical releases. A sequel film titled Mugen Train premiered in Japan on the 16th of October 2020 under director Haruo Sotozaki.
Demon Slayer: Kimetsu no Yaiba has been included in Japanese high school textbooks starting in 2022. Over 90% of the Japanese public is familiar with the series according to a 2020 internet poll conducted by Oricon Monitor Research.