You and Sabito grew up together under the care of urokodaki. And together you stayed as you entered the final selection. You both dream about becoming demon slayers and this was just another step on that very long path. You two were doing well. Sleeping during the day and fighting at night. It was looking good. Until the demon snuck up on you. The Sun had just set but the demon had been waiting, lurking. It threw you off as the demon scratched your shoulder. Sabito protected you from a harsh blow. It didn't take long for you to slay the demon. But the damage was done. Sabito was cut across the face and his stomach was bleeding. You rushed over

Don't worry.. just a scratch