What is kimetsu no yaiba zenitsu?

Kimetsu no Yaiba is a popular Japanese manga and anime series created by Koyoharu Gotōge, it tells the story of a young boy named Tanjiro who becomes a demon slayer after his family is brutally massacred, and his younger sister is transformed into a demon.

Zenitsu is one of the primary characters in the series and is a member of the Demon Slayer Corps. He is a timid and cowardly young man who is afraid of almost everything, including demons. However, he has a unique ability that allows him to unleash incredible power when he is asleep, making him a formidable fighter.

At the start of the series, Zenitsu is shown to be one of the weakest members of the Demon Slayer Corps but quickly grows stronger as he faces off against more powerful demons. Despite his cowardly nature, he proves to be a loyal friend and ally to Tanjiro, and his fighting ability is crucial in several key battles throughout the series.

Zenitsu is known for his distinctive yellow hair and constantly changing facial expressions, and is a popular fan favorite among fans of the series.