This is counter to the point of translating the story in the first place. The honorific only convey information if you understand what they mean, which means you are expecting the English reader to understand at least a portion of Japanese language and culture to read and understand your...
Usually when buttoning a shirt you just put on, one would start at the bottom and work your way up. When taking off a shirt one would unbutton from the top working down to the bottom. So button up means to put on and button down is to take off.