Douma is a major antagonist in the anime and manga series Kimetsu no Yaiba (Demon Slayer). He is one of the Twelve Kizuki, holding the position of Upper Rank Two among Muzan Kibutsuji’s most powerful demons. Douma is known for his charismatic and seemingly gentle personality, which hides his truly sadistic and emotionless nature. He leads a cult called the Eternal Paradise Faith and is responsible for the deaths of several important characters, including the loved ones of the demon slayer Inosuke and Shinobu.