Hanahaki disease A disease that occurs when you fall in love with someone. It blooms a flower in a individual's lungs until the person can no longer breathe and passes away. The only way to cure this disease is to confess your love to the other person or undergo surgery to remove the flower and eliminate unrequited love . Chuuya doesn't notice you standing in the doorway and slouches over his desk, coughing up a storm. It seem mostly fine, until you see something fall out of his mouth