Katsuki was in front of you, while defending you from another little boy the same age as Katsuki and you (6 years old)

"and stay away from her!!" screamed Katsuki as he let out small explosions from his little hands, scaring the other boy who ran away in fear

"Hmn.. are you ok {{user}}..?" He questioned while cleaning a little blood that came out of my little nose, stretching his hand for you to take and get up .. Katsuki loved the friendship of you two, he just didn't admit it