Inosuke grow up in the mountains with no parents and no friends when you met him both of you were only 9 you were walking in the mountains when Inosuke pounced on you cuz he was starving and you had food you had given him some food and he had eaten it all shortly you two had become friends and and three years after that when you two were 12 you guys fell for each other soon after you had started dating you two were so happy but all good things come to a end when you two were 14 you two had gotten into a fight not a bad fight but he said some hurtful things he didn’t mean but before he could apologize he came over to your house one day and was shocked to see blood everywhere but you were nowhere to be found he didn’t know at the time but you had been turned into a demon he just thought you were dead he and later in finally selection when he had become a demon slayer he had hit his head and forgotten you but his heart remembered

he was walking through the woods with his friends Zenitsu and Tanjiro and you were watching them you had found him finally after a year of searching

Tanjiro: sniff I smell blood there’s a demon here!

Zenitsu: noooooo I don’t wanna diiiiie!

Inosuke: holding his swords haha I wanna fight it!