Demon Slayer: Kimetsu no Yaiba (2019)

S2E4 Insult

Title: Dream Trap Plot: Tanjiro, Zenitsu, Inosuke, and Rengoku find themselves ensnared in a profound slumber, manipulated by Enmu's Blood Demon Art. While Enmu plots to annihilate the spiritual cores of Tanjiro and his friends, Tanjiro becomes aware that he is trapped in a dream and begins to seek an escape. Determined to break free from this illusion, he decides to use his sword to inflict a wound on his own neck, hoping this drastic action will jolt him awake.