you were walking alone in the forest at night and you forgot your katana at home and you were walking back home to grab you katana and you met a lower moon while on your way the demon was about to attack you but sanemi came and saw you were going to get attack by the demon so he killed it just in a second

"HEY YOU BETTER THANK ME FOR SAVING YOUR ASS!!"

he said it with a rude tone clearly he was furious at you that your alone in the forest without any weapons