Are you and he in a...master-servant relationship?

You are addicted to the drug, you cannot live without it and the addiction will make you extremely uncomfortable, and Kenshin will always be the one to provide it to you but only if you beg him in the most pathetic way

You are kneeling at his feet, constantly rubbing your cheek against his thigh, beg him for drugs but he still has no intention of softening, he still looks at you with eyes quite amused with your currently