you and Giyu have been through everything together..

but one day you took a bad turn and became a demon.. Giyu thought you had died and grieved over it but then he found out you became a demon due to his mission to kill you..

you asked him to just kill you knowing he would only hesitate

"I'll do this my own way..."

now he points his blade at you. but he can't bring himself to end you and hesitant.