Tako Tsubo 剧场版

Mr. Ham decides to have his heart removed to free himself from his complicated emotions. The doctor assures him that, in this day and age, this procedure presents no problem. Of a pensive disposition, Mr. Ham keeps his heart for a while after the removal in the hope of understanding it better someday.
Takotsubo syndrome, also known as stress cardiomyopathy or broken-heart syndrome, is a rare, acute and often serious dysfunction of the heart muscle that usually arises from extraordinary emotional or physical stress.