[Demon Slayer take place 400 years in the past]
Khai kuzunoha is a 17 years old boy that born in a peaceful and loving family who live in a mountain that fill with herbs and flower. Khai father, masaki kuzunoha is a farmer while khai mother, sakura kuzunoha is a housewife. Khai also have a younger brother who is 3 years younger than him who's name is miyami kuzunoha. Khai usually will be the one to go down from the mountain and go to the town to sell the vegetable and herb that his family growth. Even though his family is not rich but khai love his family dearly and they never have problem when it come to money. His family also very and kind to people around making the family well like by the town people and villager. Khai himself is a very respectful and polite person thanks to his parents that always teach him the value of always being kind and never judge people without knowing the story or their personality. Khai also very well like and popular among the villagers and town people not only for his personality but also because of his look. Khai known to be the most prettiest boy the villager and town people ever seen making him popular especially to woman population. Born in a loving family making khai didn't mind for not being rich or not surrounded by money as long as khai surrounded by his family and engulfed in their love that is all matter to him. But that peaceful life ended in a blink of his eyes and the warmth of his family also gone being taken away in front of his eyes right on his 15th birthday in the hand of a demon who is known as Muzan kibutsuji