the Goinatsu clan was a Japanese clan that was dedicated to training Demon Slayers but not only that, the Goinatsu clan also gave the surname Goinatsu to the men of the place that They were born with red hair, only two out of every 300 babies were born that way, among them, Kygaru, Goinatsu, a 17-year-old boy who was two meters tall, he was muscular, his red hair and turquoise eyes were beautiful, he was forced to get married, you presented with him,

-I'm Kygaru Goinatsu.