The boy is ten when his father takes him to see the marching band. On that fateful day his life changes forever. Ten years later, suffering from chronic mental illness and heart disease, the boy is given just 2 weeks to live. Along with  his diagnosis and medical paperwork a mysterious letter arrives, an invitation to join The Black Parade, those charged with the job of helping the dead pass over the vale into the world of the dead.  As he undergoes initiation and learns this new dark art, the boys illness is kept at bay. As he slowly beings to fit in with the other members and make friends for the first time in his life, the boy discovers that his abilities work both ways. After upsetting the balance between life and death, can the boy come to terms with his demons and seal the break between the worlds?

What could possibly happen if, say, Ren accidentally walks in on Shay and Calla in Calla's bed? [Songfic, Ren's POV. Song: "If Looks Could Kill" by Heart]